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Diesel rattle when accelerating

diesel rattle when accelerating This is on a 190 diesel. It might be a rattle of the heat shield or exhaust against the tranny. this is in the exhaust. My Name: samstagmoonyham C3 Master Posts: 106 Joined: Mon May 04, 2015 12:43 pm Model: C3 2002-2005, Original shape model Year: 2003 (53) Engine Size: 1. Don't know if it's a heat shield or what. Average repair cost is $650 at 123,700 miles. 16 Dec 2017 If you hear a rattling noise below your car, then something is most likely wrong with the exhaust system. It is so loud now that my V6 sounds like a diesel while idling and even worse when accelerating, HELP! May 12, 2016 · I recently fixed the brakes on my car, and now my car is making a loud rattle sound when I am idling, and also when in neutral. Get the straigner cleaned and everything will be OK. This type of noise could happen when you accelerate your vehicle . Its not very loud and initially i believed it was something loose and rattling, but found out it only appears when accelerating with engine load. Transmission needs replaced due to cvt problems which Nissan is aware of and has never issued a recall. I also feels like something is holding down the acceleration of the vehicle during the time I hear that rattling sound. Each time I am told that it is the injectors and a software update has been performed to cure the rattle!!!!! Jun 24, 2015 · Re: Jetta crank/rattle noise when accelerating (BbOuLoSs) 06-10-2009 03:21 PM #4 i have the same noise and i cant figure out wat it is. Could it be transmission? Its odd. You can feel and hear noise in center console and gear shifter. 2,525 posts. I have taken the truck to Nissan and the Diesel mechanics say they don't hear it, although other employees It comes and goes on my 2015. Ninjaboy. this Have you pulled to see if any codes. Jul 22, 2012 · The majority of the time when this occurs it is due to a bad catalytic converter. I have taken the car back to the dealership to get it sorted but Mar 14, 2014 · There were some issues with rattling fuel lines on the O3 so it could be something simple like an metal pipe not clipped firmly into place. While the noise is present, before warming, the noise will stop, if, the idle speed is adjusted only slightly, either up or down, but returns if normal idle is allowed to resume. Mar 15, 2006 · Hi Everyone I have recently purchased a 2005 model E46 320d with about 40 000 km's on the clock. When coasting no noise. I checked to make sure it was nothing in the cabin area. acceleration signals ( ), and the cylinder body side near-field radiated noise  17 Sep 2020 The 2021 Jeep Gladiator EcoDiesel follows the 1986 to 1987 While the transmission generally upshifts early when accelerating hard, flicking the gas V -6, but it doesn't disturb the peace with big-rig levels of diesel rattle. Jump to Latest Follow 1 - 10 of 10 Posts. It now has 15000km on the clock. The car has a rattle in what seems like the passanger side of the engine area when accelerating or when stopped while in drive. Engine or transmission knock / rattle upon acceleration under load. Powered by the LMM Duramax 365hp/660tq coupled to the MW7 Allison 1000 6-speed through the NP1 NP263XHD Transfercase. This is much the same as a gasoline engine suffering from pre-ignition or spark knocking. It's a tinny kind of rattle but doesn't sound too serious, it's just annoying. CRD engines are designed with much finer tolerances than older technology, not only within pumps and injectors, but also in piston to liner clearances, making CRD engines much more susceptible to deposits, or the presence of any water or other contamination in the fuel or oil. It would last for a few seconds then stop but do it again when I pressed the gas again. Called the Kia-Assist (RAC) out and of course, no rattle. Hi, i have this crazy rattle sound when de accelerate lling, it seems to be coming from between the engine and the gearbox, any idea what it could be? Ive checked all the heat shields but all seems fine, it's a jetta 7 speed and reverse 2015 1. SYMPTOM SUMMARY The engine “pings” or knocks on acceleration. Hi 2 u all , it might sound a bit stupid BUT, i had a rattle on my lc and sounded like 2 bits of metal hitting together like exhaust rattle,it had taken a hell of a long time to pin it down, after trying this that and the other to see what was rattling, you could hear it one day an not another ,it was the little hub cap right in the middle of the wheel, it was a bit loose , it had been checked Jan 20, 2019 · The VW diesel (TDI) engine is one tough engine capable of going 500,000 miles when maintained. on September 17, 2016. This is what it means when the car engine hesitates. Nov 05, 2007 · When I accelerate it rattles like hell from up front (sounds like a bunch of wire clothes hangers rattling inside of a pipe). It has a electrical connection attached to it. I'm at 90K miles and fear the timing belt, water pump, have not been replaced. Jan 14 2020  7 May 2018 Accelerating? Here's What That Means. It can always be heard while the engine is cold at lower RPM regardless. Sep 28, 2013 · The acceleration rattle your hearing is called detination,it's from this crappy gas we have now,run a higher octane fuel or non ethenal,,my boat did it,both my work truck and daily did it,,I started using 93 octane and every 2 or 3 tanks I'll put 4 gallons of 108 octane per full tank,,and I started running shell rotellia oil,,2000 gmc sierra 5. I also bought my brand new 2018 Honda CR-V in December 2017 from the USA, shipped it down to Africa, and after my first 1000km, till date I still hear the sudden one-time rattling noise during that moment when I do a quick acceleration from a low speed. So what causes this unwanted tapping sound? 23 Feb 2019 About a week ago, I noticed a high pitched tone from my ecodiesel when I was accelerating or going up hills at highway speeds. Engine has loud rattle when starting cold, and louder when shifting into drive or reverse as the idle kicks down a few hundred rpm. It’s a simple issue with a simple fix, but the consequence could be outright scary. Raised back up and all fixed. Once the car is warmed up this sound is no longer present. I Apr 22, 2018 · Annoying Diesel like noise on light acceleration. It happens under idle and acceleration. It 'seems' to be coming from the engine rather than the pump - as if a pump setting/problem is causing the knock rather than anything physical within the pump. Recently in the past couple of weeks, I have noticed a bearing squeak type noise or something to that affect. Sep 18, 2018 · The first thing you should check after hearing a loud whining noise when accelerating is the engine oil. this lasts only for a couple of miles until the engine warms up a little. There is no rattle when vehicle stationary and engine revved. I've been told that it may be that the gas was bad. Low level of fluid is one of the reasons for causing rattling noise when accelerating. If the rattle is underneath your car, that could mean a loose exhaust system component or a broken catalytic converter, which would both require a mechanic’s attention. If you notice a loud squeal when accelerating,  A closed- end diesel hammer (double-acting) compresses air on its upward stroke and therefore can operate faster than open-end hammers. (b) In many indirect injection diesel engines, "diesel knock", is clearly audible above other traffic noise when the engine is idling in stationary traffic. Some modern engines naturally rattle very strongly during a cold start. My original suspect was the A/C clutch, which you cannot purchase separately from the compressor. Heat expands metal, so that would be 1 thing that would change, and the motors natural vibration is totaly diffrent in park with no load on it, compared to it in drive and accelarating. You hear a high-pitched squeal when accelerating: If you notice a loud squeal when accelerating,  Master Diesel Mechanic Mike Schrems filled us in on how to troubleshoot your diesel engine noise. 10 Fastest Cars for the Money in 2018 10 Fastest Cars Under $200,000 I HAVE A 2000 f-250 SC 4X4 WITH THE V-10 56,000 MILES. Stepping on it a little more and sounds smooth right out. This noise is caused by an air/fuel  10 Mar 2020 Rattling noise. However, there can be many different causes. Jan 07, 2020 · Within say 50 kms, I noticed this diesel engine knock or injector rattling or this "Automatic Rifle fire" kind of sound occurring every time I accelerate above 2000 rpm. Anybody have any ideas what the cause is and/or how to minimize it? 2018 Crosstrek: Strange LOUD Rattle Noise My wife recently purchased a 2018 Crosstrek Limited in Cool Grey Khaki. 4 tsi dsg 160bhp 118kw. 209 months. It varies by engine speed, but it is most obvious after the truck shifts and is in the bottom of a gear while accelerating or at the top end of any gear at higher RPMs. The engine has always made a slight rattling noise when cold, but lately the noise is getting louder and seems to happen even when the engine has warmed up. 2014 Cruze Diesel (daily grinder) 2008 DTS Lux III (pleasure craft) I been hearing a loud rattling noise when accelerating it sounds like it's coming from the Noticed a rather loud ticking noise coming from underneath of truck when I accelerate. car is OB 03 5sp about 115k mi Apr 10, 2012 · My 2012 SV 6mt has always made a 'diesel engine' rattling sound that's most notable when you rev it up while not under load (i. The 1999 Ford Mustang has 6 problems reported for makes a rattling noise when accelerating. ITS NOT LIKE AN ENGINE RATTLE ,MORE LIKE A SHEET METAL HEAT SHIELD OR SOMETHING. Jul 21, 2020 · Rattle sound during acceleration Post by digZz » Tue Jul 21, 2020 1:00 pm I normally drive with music or radio on but couple of days ago i had the sound off and noticed the car is making some kind of a rattling noise while accelerating. The high pitch hiss noise you hear from some diesels as they accelerate comes from the turbo charger turbine spinning up and sucking in air at a high rate. The location of the sound seems to be somewhat behind the passenger airbag/glove box area. 6 Aug 2019 You may hear an engine knocking sound during acceleration. As the revs climb through this range, knocking seems to change pitch, the frequency and loudness remain the same. Edited January 23, 2017 by Trp234 Oct 31, 2017 · Worn or otherwise compromised drive belts are a common cause of noises when accelerating There are also some more technical causes to point out, without getting into too much jargon. This engine rattling noise happens at all speeds and gear ranges, but it quiets down slightly when transmission changes gear at the high point and the rattling begins again on the next gear onward. ” Jun 22, 2011 · The guy I bought it from just had the turbo rebuilt and injectors replaced less than a year ago. The performance of the car seems to be the same. 2017 ram 2500, was driving it home upon purchase and the truck started making a clatter/rattle noise only under acceleration, I have taken it to Lake Norman Chrysler Dodge in NC TWICE, and they told me it’s normal. It is kind of like the deceleration engine noise when coming to a stop and auto trans is gently down-shifting and engine goes back to idle. But once the RPMs come up a bit and boost builds, the rattle  diesel rattle when accelerating Recently over the past week It seems to have gotten a little louder and I can hear it even when the windows are up. Jul 30, 2011 · First, you need to check for codes-! The noise could be a leaky exhaust, so look around the up pipe for signs of exhaust leak. 40 a litre for the public and petrol down to 90p. When I reach speed while driving and let off the accelerator the noise stops too. It seems to happen after accelerating while feathering the throttle. ". I'm not sure from where its comming, but i guess its engine bay. It’s not uncommon for your catalytic converter replacement to cost more than $1,000, and there’s usually more work that needs to go along with that. What I haven't been  like engine noise in acceleration and ride and handling have a more direct to diesel noise (“it sounds like a tractor”) occurs at low speed and idle. It doesn't feel like its coming from anywhere specific, it just feels like the Hello, I am trying to diagnose a sound that is coming from my 2001 Camry 2. In the last 1,000 miles, when accelerating and at higher than idle RPMs, there is a very noticeable rattle that sounds like its coming from the turbo. Aug 18, 2015 · Sometimes a rattley, or pinging noise occurs under acceleration from cold, but will disappear after the engine warms up. Recently, I've noticed a diesel engine kind of tapping rattle. ANY ONE HAD On a cold engine I hear a deep rattle from the front/bottom when accelerating. noise levels and offering a combined average fuel economy in the mid-20s. I had a low RPM engine rattle that would appear when the traction battery was down to two bars & I was trying to accelerate from a stop. You can always hear it over the motor unless the windows are rolled up. Jan 14, 2010 · Page 1 of 3 - Engine rattle at low revs (ARL) - posted in TDI & Diesel Forum: I have a rattling sound a low revs. Joined Jul 25, 2012 · 28 Posts . as well as for cold start and during acceleration is created from by FEV SQO ( Sound To fulfill the Euro 4 emission level and reduce combustion noise for diesel  21 May 2019 Is Your Volkswagen Vehicle's Engine Making a Knocking Noise When You Accelerate? Here Are 4 Potential Causes · 4. I have a rattling noise on acceleration. With the engine cold try tapping on the converter with a rubber hammer and listen for rattling noises. The Cruze has a variable speed oil pump and pumps harder with higher rpms. Since 150 Miles I have been experiencing a Grinding/Rattling Sound when accelerating from a dead stop. Neutral gear rattle is most audible in enclosed areas, such as a garage or between other parked vehicles. But once the RPMs come up a bit and boost builds, the rattle goes away. See:How a Turbo Charger works. I took the Acadia to the dealer yesterday and was told this is a problem that is in all of the V6 motors and was taken for a ride in a Buick enclave and it did have the same problem. 5 Aug 2010 I can hear it if I let off the throttle completely at 50+mph and then lightly re- accelerate? Very odd. I have a 2002 Intrepid I bought used. It seems to be coming from the passenger side of the engine and almost sounds like rattling metal but I can only hear it when hitting the fuel pedal. Effect: 1. Normally according between around 1700 - 2100 rpm. It was the flex pipe rattling on the frame under very low acceleration. Aug 26, 2009 · Engine Rattle I, too, have a chatter coming from the engine but it only occurs when I switch the A/C on and off. New to the duramax,but not new to diesel engines. 6 Sep 2019 Chirping or squealing while accelerating– Loose, slipping belts are typically the cause of such a sound. Some days its really quiet. When I'm just cruising I can't feel any vibrations. What is my car telling me when it makes a knocking noise as I accelerate? Question: Why does my car engine knock, and should I worry? Answer:. As explained in the previous section, the vibration and noise signals measured for engine acceleration. When I accelerate, or whenever the rev counter is between about 1300 and 1700, theres a distinct rattling noise from the engine bay. (engine knocking) At low boost and when the engine is cold, the engine is essentially a naturally aspirated engine. For info, Pinking and Ingition timing are for petrol engines so not related to your diesel. Vibratory pile driver  Rattling noise during acceleration can be caused by several different but common failures, including loose heat shields, bad belt pulleys and ignition pinging. On mild acceleration at low RPM/boost, mine does the same thing . Your Car Received the  23 Apr 2019 If you hear a knocking sound from your engine when your car is accelerating, all is not as it should be. Jan 28, 2011 · I started a '12 2LT on the dealer's lot today and it didn't rattle or make any odd noises. Bought a 2004 LB7 72,000 miles has Caif. 5 diesel is grumblier at idle but no  In this case, the 3. Especially when moving up a hill or something that stresses the engine a tad and right before the transmission would typically shift into a lower gear for more torque. When I accelerate there is a load humming noise coming from the engine. well worth a look. Oct 01, 2019 · Possible Solution: I've read all the posts in this thread because I was hearing a rattling sound when I accelerated. It sounds like it may be coming from either under the hood or near the passenger side of the dash/floor board area. Diesel engines are known for their efficiency and durability, but for the GMC Sierra's to the desired position quickly, helping to enable responsive acceleration. Drove about 150 miles but its still doing it. The best sound I can compare it to is when you use an angle grinder on steel except it's higher pitched. Different noise to the normal knock-knock diesel sound, this is a bit more metallic. 2003 legacy makes a ticking or rattling noise on acceleration; goes away over 30-40 mph, think it is gas-related but not sure which part Ok, for some time now I have been getting this weird rattling noise from the front of my car (2005 Altima SE-R). engine noise using fuel is done on diesel engines. The sound  If the hissing happens when you accelerate, it could instead be a vacuum leak from one of the small hoses around the engine's air intake. Most likely a shield or something slightly loose. • Clicking or tapping in your engine– The  Hissing noise when accelerating. This study examines compression brake noise. As I am aware this is a widespread problem but nobody has a definitive answer to solve this. Perhaps torque production has a role in it. Instead of going faster by stepping on the accelerator pedal, the speed will be reduced. Jump to Latest Follow 1 - 20 of 101 Posts. Learn about four common reasons here. Lately, I've been noticing when accelerating (*especially* in an incline/uphill) there is a weird rattling noise coming from the engine (kinda sounds like a diesel engine). After weeks of looking for loose screws, bolts, etc. Related Articles. A high-pitched squeal when accelerating. Usually, it is caused by  30 Dec 2002 real loud rattle. 25 Chief915 I have a 2011 328i with 75k miles. Knocking. However, it has its issues. Low level of fluid is the main reason for causing this trouble. Low transmission fluid level could the source of the rattling sound when accelerating. 6. 5 in for service today with 1,500 miles. When your cat starts rattling inside, it’s only a matter of time before it causes a blockage that makes your engine run poorly. Schedule a service  19 Feb 2019 Most Common Engine Noises You Need To Be Concerned About When Accelerating. There are a handful of components in your vehicle that are generally referred to as the “drivetrain. If it is, you could be close to destroying the engine so dont ' make it do it'. These impacts generate a broadband, impulsive noise that is often perceived as annoying. See all problems of the 2013 Nissan Rogue . Just the stock model, not the xDrive. This is just a rattle that is only there 30 % of time when accelerating . It sounds like it is coming from underneath the car towards the front. Once noise starts and vehicle starts moving, I can stop or start rattle/ knock noise by pressing brake pedal. It appears to be impacted by engine RPM rather than speed though. Sounds like a bad waste gate , but wanted to know if anyone else heard of this issue. Doesn't sound like internals. Since receiving the car , the engine has been making a rather noisy rattling sound whenever I accelerate or the engine is under load. Does everyone’s diesel rattle like valves rattling on a gas engine when your accelerating and in the bottom of the gear. Apr 15, 2013 · Light throttle can get lots to rattle from the car. Its a ticking/rattle noise. Been to garage some 4 times now for a total of 7 days. I had to take Mar 14, 2011 · It's not normal knock - it's pretty damn loud. May 10, 2014 · A timing chain is automatically tightened by tensioners. e accelerate and leave the RPMs high at a steady speed). Engine is very quiet after this initial rattle. Its not a tick its more of a flutter or rattle. When accelerating from cold the engine sounds smooth and refined, but when it warms up it I can hear a diesel-type knocking noise up to about 2300 revs, especially in first and second gears. Mike. com/watch?v=u6ZrsUKwnq0 5 signs your brake system is failing!! https://www May 27, 2016 · The VANOS unit or solenoid can cause a rattling sound from the engine. It started blowing black smoke out the exhaust from what I can remember a few months ago but only when accelerating over 2000 RPM, which to me is normal for a diesel. 12 May 2015 You usually hear this noise when accelerating the vehicle. This is a LHD car. This is accompanied by the first rattle knocking appearing in the structure-borne noise signal. youtube. Eg the spring in my auto shifter in my corvette rattles at 36 mph in 4th gear under load but not earlier gears. Rattling and/or leaking exhaust. My '99 Legacy is far from quiet, but yesterday I heard a new – and somewhat alarming – noise. As well as, If work your engine hard with a load; like driving uphill, passing a slowpoke or towing a trailer. 8 Dec 2016 Is your engine making more noise than usual? of a plug-in electric hybrid vehicle, chances are your vehicle runs on gasoline or diesel. The data shows that. 5-liter V6 engines installed in various Hondas ® can make a knocking or ticking noise at idle and only when warm. The RPMs also drop while it is rattling. Read on to see his tips on fixing the ticking or knocking  If a customer brings in a diesel vehicle with a water pump that is making If you hear a squeaking or clicking noise coming from the water pump, then it's an on- ramp on an upcoming interstate and allows improved acceleration for entry. Diesel knock ain't good for pistons or anything else in the same area (injetcors, valves, glow-plugs, etc). Noise quits when i let off throttle. Anymore ideas on the this rattle I hear while accelerating. If I then decide to drive off, the engine will rattle when I am accelerating from a stop. Trust. Any one else have Jul 23, 2013 · I believe I have an exhaust leak, which I haven't gotten fixed. Whenever I accelerate between around 35 - 60 mph you can feel a really rough vibration. 8 & my boat motor is a 2000 4. Thanks. Ive been noticing a rattling/knocking noise when taking off, goes away (or isnt as loud), and starts again before it hits  15 Jan 2007 Any pinking type noise? I have driven diesel cars for 10 years and never experienced this :(. I'm experiencing a loud engine rattle. Mar 17, 2006 · rattle con't i have been running mostly a van aaken box rated at 230 rwhp, 4" exhaust, boost enhancer, propane for a short time, when this started the suncoast trans and torque converter i had installed for 2 years burned up after 18000 miles, i limped the truck to florida to have the trans refreshed, while driving it got stuck in limp mode 4th gear, had to drive it this way for many miles Increase diesel fuel to £1. Put the truck in gear and increase the RPM-- listen for the noise. - Subjects  Diesel rattle under initial acceleration sounds like an injection timing problem, just like a petrol engine, if you have too much 'advance' on the  11 Oct 2018 Whining During Acceleration. Hearing a noise coming from your engine when you accelerate can be cause for concern, but our team is here to help you solve the problem. Aug 27, 2018 · If I drive the vehicle long enough for it to warm up completely and then shut off the engine for 20 to 40 mins or so and then drive it again the rattle is completely gone. Ticking (Injectors, Gasoline and Diesel). More pronounced if I press throttle more (turns into roar almost). Does it? Dodge ram rattle noise when accelerating. It is so loud now that my V6 sounds like a diesel while idling and even worse when accelerating, HELP! rattle noise on acceleration. Leighspain1975 Apr 22, 2018. I recently had all chains etc done so chain rattle is completely ruled out. Car drives fine now. Mar 07, 2017 · Can someone tell me what this rattling clattering sound is? Its worst when the engine is cold and under acceleration and rpm between 1200-2000. It is typical turbodiesel behavior. After warming to around 130 degrees the noise stops, and the engine sounds normal. I have been driving like this for 2 years now. Oct 08, 2012 · Bad diesel clatter sounds like your big ends have gone, otherwise it's a rattle more often at low revs, can be caused by dirty injectors among other things, making the engine labour at low revs is when you usually get it! The revs you refer to driving with are really too low for the engine to be happy hence labouring! Oct 17, 2017 · As the engine warms up there is a very distinct rattle that was called "Pinking" in the old days on petrol engines. Thanks The rattle is caused by repeated tooth impacts resulting from fluctuations in differential torsional acceleration of the driving gears. The rattle only sounds when I am in drive and accelerating. Noticed this last while that under hard acceleration there is a thin metal rattle noise coming from drivers side. This is often due to a timing chain attached to the engine. handles fine with a minor to moderate "buck" while letting of the accelerator from time to time. I was out driving the other day and kinda got on it a little bit. . 6; Next. Sounds like valve-train type noise, or like engine knock, but highly doubt the latter since the owner always fuels with Shell V-Power or BP Ultimate. Well when I am accelerating, and I hit about 30 or so and am revving around 2500-3000 RPM's I get this terrible noise! I can explain it a few different ways, it sounds like a gargle sound thats coming from metal. Any ideas?” If you have a car making a rattling noise when accelerating, your catalytic converter is probably on the outs. If I rev the engine on neutral it sounds normal . 5 GMT-900 Chevrolet Silverado 2500HD CC/LB LTZ 4x4 Summit White. The cause of the problem is  23 Jan 2016 I seem to be getting extreme rattling under acceleration, and it's driving me crazy. Under heavy acceleration at high speed I noticed an audible clattering/rattle sound coming from engine, in front of glove box area. This noise is caused by the compression of air in the cylinders and the ignition of the fuel as it is injected into the cylinder. Dodge ram rattle noise when accelerating Dodge ram rattle noise when accelerating May 15, 2007 · rattling noise while accelerating So I've noticed my car makes unusual rattling noise when I start driving (usually 1st and 2nd gears only, at slow speeds) and then it disapears. emissions/EGRI noticed that at acceleration I have a noise like loose lifters,no smoke,good powerI have replaced all idlers and belt tensioner,vaccum pump with blown diaphram, 1 Injector that Basically it sounds like rattle cans being shaken when I'm on the throttle. I think the op has the same symptoms, sorry for gate crashing his thread. HERE LATELY WHEN I ACCELERATE YOU CAN HEAR A RATTLING SOUND(I THINK FROM THE ENGINE COMPARTMENT)AT ABOUT 1800 RPM. 5l motor with 116k. However, the sound produced by your vehicle should  Vibration/Noise on start-up and with acceleration and de-acceleration. Is this normal engine noise? Jan 17, 2014 · Eliminate Common Rail Diesel Injector Rattles The CRD injector rattle can sound like noisy valve tappets, or a rapid machine gun type rattle. The symptom is more pronounced when the engine is at operating temperature. A fuel filter has the responsibility of filtering the fuel before it goes into the engine and combustion chamber. mercedessource Tech help - Diesel Purge can help you isolate the noise Internal engine noises can be very difficult to diagnose. If you hear a whining noise while accelerating your Kia, but the noise isn't present when your vehicle is idle, you  13 Sep 2017 '14 CCSB 2500 auto 4wd. USUAL CAUSE Engine ping is the result of abnormally high combustion temperatures. 3& 2001 gmc sierra 4. madnoel10 said: If a diesel is suffering from over-fueling at low revs it will tend to knock until it gets more air when the turbo kicks in. Would the DMF noise be like a rattle? It seems to do it right when I let off the gas pedal just after quick acceleration (so far only in second gear) I thought it was the dogbone, but I opened the hood, set the brake and loaded the engine in 1st and reverse and the engine movement was minimal. When accelerating it only lasts for a second and never does it while cruising. Jul 30, 2010 · It's a rattling or ticking sound I sometimes get when accelerating. Usually, I would hear it going up hills or just lightly pressing the gas. Dodge ram rattle noise when accelerating Dodge ram rattle noise when accelerating hahahaha, it sounds like its your heat sheld on the exhaust pipe rattling. 05 1. The issue Im having is when the truck is under power while Im towing something or while going up a hill, I can hear like a clattering or rattling sound coming from underneath the firewall area. Catalytic converters are one of the most expensive exhaust components. or it sounds like a diesel on gear . There does not seem to be a loss of power when accelerating either. The rattling is quite a bit louder when accelerating, but seems to disappear/become much quiter when I take off my foot from the gas (even if revs are still higher at that point), altough there seems to be about a half-1 second delay when the car acceleration stops and the noise subsides. This morning was the worst I have experienced. Does not make this noise when truck is in Park. I have been getting an engine rattling noise almost sounding like a diesel noise from my engine when ever I accelerate (slowly, not gunning it). Jun 30, 2020 · When you go to step on the gas pedal to accelerate, you will suddenly feel like the power has been lost in the engine for a couple of seconds. It was like the sound a diesel truck makes but not as loud. This is the  2 May 2017 6 Car Noises to Keep an Ear Out For: 1. Detonation/Spark Knock under Light Acceleration April 1, 2011 9:14 PM Some 2010 Equinox and Terrain models equipped with the 4-cylinder engine (VIN W, RPO LAF) may exhibit a detonation/spark knock or rattle noise under light acceleration (1,500 to 1,900 rpm). If i accelerate quickly you barely hear the sound, but if i just accelerate like a normal human, I get a really nasty sounding grinding/rattling sound. Your flexplate could also be cracked as well, -certainly not unheard of on a 6. 13 Mar 2018 No rattle when the engine is under no stress and low rpm but when under even light accelerating throttle between around 2200-2800 rpm the  Things that Cause Knocking Noise from Vehicle When Accelerating - Service Questions at Wilsonville Chevrolet. Will post a link to the When the engine idle catches up with the geartrain and the spring compress and the process repeats over and over causing the geartrain to rattle. The noise does go away after a few minutes as engine warms up. If you have the old black cps on your truck keep it in, don't swap it if your truck runs great besides the small rattle. ABSTRACT. Could the increase in engine load be exposing the weakness in my timing chain tensioner? I have a 1998 528i with 106K, BTW. Car is super quiet at idle and the cam tensioner sound is gone. This started last week as very intermittent and now is very regular. The noise occurs upon acceleration around the 2000-2500 RPM range. It came in  19 Nov 2015 Here is a list of some of the most common sounds your Honda might make as you 're driving, and suggestions of what might be causing them. ) Under normal acceleration it is not there. The other possible sound is like a rattling sound. thanks Oct 03, 2020 · 2. Sep 17, 2012 · Things that come to my mind: Noisy drivetrain bearing (esp throwout or input shaft if manual). Anymore acceleration to speeds beyond that do not make this sound. 5. I can confirm whether its this or not on a 5 minute test drive (FOC) if you bring it down sometime -. by Kyle McFadden. 0D X-type developed a problem lately, and it's really annoying. Car drives fine etc. Hi,From your description it could be pinking/ detonation. Maybe certain things just have the same resonate frequency and gets it to rattle. Roughly two-thirds of the way through a four-hour drive, I started to hear a rattling or grinding sound coming from the front of the car, perhaps closer to the driver’s side than the passenger’s. 1 of 6 Diesel noise was mostly gone after 2000 miles Jan 21, 2019 · “I have been getting a rattling/metal clanging noise when I am accelerating over 45 mph. If the noise seems to be coming from the  There's nothing worse than a rough, rattling engine, often referred to as being ' tappety'. This sound can only be heard during acceleration, and only between 1800-2000 rpm (give or take). Nov 12, 2015 · Got my new QQ for 3 months now. When driving we would occasionally hear a metallic rattle noise when under light acceleration at low RPMs, specifically when making a soft turn. I changed out my Cam Tensioner, timing belt and water pump. HemiBoss · Registered. I crawled underneath and moved the drive shaft between transfer case and front end and when i move it i hear a noise in transfer case. Jan 05, 2020 · Engine Knocking - Pinging - Rattling Noise - Common Causes Is your engine making an annoying knocking, pinging or rattling sound when you accelerate. Nov 09, 2018 · The fluid should exactly be at the level instructed in the owner’s manual. 1. Go. Whats the problem? Thanks DIAGNOSE – ENGINE PINGS OR KNOCKS ON ACCELERATION. The 2006-11 VW TDI models seem to have a common issue, as shown by complaints to NHTSA about hesitation and or a "hiccup", that is, a split second pause, usually when when accelerating. Check out my other videos: 12 signs your engine is going bad!! https://www. Modern diesel engines inject the fuel in a series of smaller pulses to smooth out the pressure rise and dampen the rattle. If the fuel filter gets clogged and the fuel does not reach the engine chamber in the right Sep 03, 2018 · The issue is, under load (lets say a small hill or with having pedal pressed more than 50% in) when accelerating on 2-3-4-5 gear (doesnt happen on 1st) i hear strange rattle or noise comming from car. I have noticed that around 2000rpm it gets what i describe as a rattle noise from the engine, it doesn't have a knock at cold idle like i have read can mean problems with the injectors, it just occurs at 2000rpm. 1; 2; 3 … Go to page. These are 2002 Excursion 7. If the chain is so loose that the tensioner cannot tighten it any more, the only option is to replace the chain. To give a bit of background, it is an '06 crew cab LBZ with ~170,000 km. Some issues include: loud/whining noises when accelerating, difficulty accelerating, sudden loss of power, and increased rpm even when speed is decelerating. I was unable to confidently drive > 80 or 90 kmph as the dreaded sound would be heard and I would be cursing myself whether I am hurting the engine. 1999 Mercedes E300 turbo diesel with 175K that has an annoying rattling noise when accelerating. Most often, this noise is  18 Sep 2018 Some people relish the noise of a throaty exhaust or a rumbly V8 thrum under hard acceleration; the 1. The engine oil tank is located near the brake fluid reservoir. Oct 30, 2020 · Diesel knock is the clanking, rattling sound emitted from a running diesel engine. 13 Aug 2010 B Required distance for acceleration for various vehicle and traffic types cars, off-road vehicles and vehicles with a direct-injection Diesel  31 Jul 2013 Moreover, the vibration levels are expressed in the papers using different metrics (acceleration, ISO-weighted acceleration or velocity);. A leak is the most common problem with your car's vacuum system. Not when I am coasting at a speed or when I'm in N or P. I came to find out that the oil does not reach to the most parts of the engine and it was caused by a poor performance of the oil strainer. The 2017 Ford F-150 has 2 problems reported for engine rattles when starting up. The engine vibration is generally greater when it is cold which is perhaps why you notice it more in these conditions. Jun 04, 2013 · I am wondering if I have a turbo issue. It looks like it's coming from the underneath and only happens when I'm accelerating the car. com ✓ FREE DELIVERY possible   30 Nov 2013 It's time to get your vehicle checked when you hear: 1. If you hear a rattling noise when you are accelerating then  4 May 2020 So, whether it's an engine rattling noise when accelerating; or some kind of spark knock or just a general engine noise; there's one thing that's  Recently I started noticing that under load (say, when accelerating faint metallic rattling on top of what seems like normal diesel engine noise. Sep 17, 2016 · Tito C. On the straight part of the road I would accelerate it and put the pedal about 60%-70% all the way down and I could somewhat hear the rattling again, although it was not as loud as when I was turning and accelerating out of it. May 04, 2016 · Hi all, anyone experience light clicking or clattering sound in their auto car when during light acceleration?The sound is very much like a manual car accelerating and upshift of gear when the speed for that gear have not been attained. Re: rattle noise during acceleration. Some days its really loud (annoying). I currently need new u-joints, but I am not sure if this is associated with it. Mar 18, 2014 · The Murano rattles upon acceleration, but the rattle does not happen all the time. The car has 100,000 miles on it. Here are some of the most common reasons why it’s losing power. The problem seems to be getting worse, rough start-ups and abit of a stutter at low acceleration, it has also cut out when stopped at lights. It sounded as if a tin soup can or paint can were hitting the road, but when I popped my head Dec 06, 2008 · Got a '57 Kia sportage, 5600 miles on it, and it has just developed a rattle when accelerating. 3L makes funny loud clacking or knocking sound when accelerating slowly with a "light foot". I sense that the engine oil has settled over a period of time not running. While you are in there, it's a good idea to replace the tensioner, sprockets, etc. one thing that could be causing it a rapid intermittent rattle ping noise, if your at idle and makes me suspicious is look at this Rotary Turbine Control Valve Actuator, see diagram, item #17 it is located at the Very back of the topside of the intake manifold near the firewall. Rattling on cold start. Anyone else suffering cold diesel rattle? Oct 03, 2020 · A car can lose acceleration due to various reasons. Still a small puff on hard acceleration though. Aug 04, 2011 · Loose flexplate/converter bolts make a nasty sound similar to a rod knock, but immediately go away as soon as you try to accelerate the mass. 5 lmm lifted 6" & tuned with ppe hot race lmm on level 3 with a 5" turbo back system. 2016 150hk diesel with DSG. Accelerate the car to speeds at which the whining noise is the loudest, switch to neutral gear and kill the engine. Cause: The worn dual mass flywheel is causing vibration/noise. Has 60,000 miles. Engine starts and runs good, but when accelerating i can hear this ‘clattering’ noise. Hey sooo, I have an 07. A diesel engine can ping, cling, clang and bang, and all the time you are wondering just what is acceptable and what is not. Hi Guys, Last year i bought a brand new 2013 hilux SR diesel. 3,,it fixed my problem Dodge ram rattle noise when accelerating. Problem #1 12,000 miles on my truck. Apr 06, 2015 · rattle noise during acceleration VW MKIV-A4 TDIs (VE and PD) 2000 jetta gls tdi,91 2dr jetta gl n/a diesel. Truck doesn't  Rating of disturbing engine noises: I Knocking. Only occurs when driving, not in neutral / park . As the engine gets older, it starts to rattle more and more during cold starts, and this is a sign that the timing chain is worn. When it does happen, it seems to be around 20mph and between 1500 - 2000 rpm. May 10, 2010 · I have a 12 year old diesel car which I have owned for 9 months now. Last week one day it was really loud, then went almost silent just like somebody flipped a switch and shut it off. The usual cause of engine ping is over advanced I had similar ticking noise when accelerating after changing my engine oil on Toyota Corolla 1NZE. Traveling at 2500 rpm and above when I accelerate there is an awful rattle coming from the front. 4. It is a real CLATTER rather  29 May 2018 Why does my engine rattle and how do I fix it? bendix gear to contact the flywheel creating a rattling sound which occurs under acceleration. About 10 or so seconds after starting, while at idle, our engine starts making a low, deep, growling, rattling noise. I can even rev the car in P or N and this noise doesn't happen. Sep 19, 2015 · When from a cold start I get this annoying startup rattle for 1-2 seconds then it’s gone. Happens under gentle acceleration then quietens down when you lift off the throttle and disappears when engine is hot. So, what do each one of these noises mean? Should you schedule service  03|29|2018. Squealing or chirping when accelerating. If something under the bonnet is rattling, it could be anything from problems with oil level to a bad fan clutch, so if the noise persists check the car into a garage. It happens at all speeds and only when I accelerate. Do you have the stock up-Pipes?. It has the 3. January 15, 2019. Any suggestions. Use a dipstick to find out the correct level of oil. Your engine will ping when the air-to-fuel mixture ignites too early inside the combustion chambers; this problem can result in backfiring through the intake manifold, in extreme cases. Overall very happy with it, apart from an annoying rattling sound. Apr 04, 2018 · Hi, I’m at my wit’s end with my truck I just bought two weeks ago. · If the noise you  27 Jan 2017 Rattling Noise While Accelerating - I hear a slight metallic rattling noise coming from the front of my car when I accelerate. Feb 22, 2018 · i’m a bit worried. On mild acceleration at low RPM/boost, mine does the same thing. Some knocking noises are normal and should be of no concern at all, while other deep noises can be a sure sign of impending doom. · Diesel engine ticking noise. Also while I most commonly hear it around 1800 rpm it also can be heard at random rps too. 4 (8v) Fuel Type: Diesel The 2008 Toyota Highlander has 6 problems reported for engine knock/rattle noise on cold startup. Apparently this is a sign of the typical Navara injector rattle. The noise is not loud, but ofcourse is not normal and very annoying for an almost new car. All 4th gens do this unfortunately. It starts at 1500rpm and stops at about 2500rpm (or at least it becomes much less audible). If there is none then the noise may be coming from the timing chain or one of the engine accessories. Apr 01, 2019 · When under load, and during acceleration with all gears, and from 1400rpm to full , i am hearing a rattling noise with the same tone as a backfire , or as having bad quality diesel in it. Which is a light tinkling /ratling/ tapping under load (WOT). Jun 07, 2014 · 2014 6. It's a 1. Its actually louder than the motor. Don't mistake the hiss I refer to with the air-brake system, as this is altogether something else. The rattling sound is temporary and goes away when I reach 30 - 40 mph. Its Automatic, 2. (Kind of hard to tell. And now I hear a rattling / grinding noise down by the catalytic converter when I'm going at least 10 mph. Are you hearing a tapping,   acceleration . Rattling; Hissing; Squealing; Knocking; Roaring. The strainer was blocked by some bad oil left overs. A metal rattling sound when I accelerate from a slow speed or from a complete stop. It was very noticeable during the turn. Ignition pinging is often interpreted as a rattle at first because of the metal-on-metal noise it creates, and it is commonly heard only on acceleration. A knocking  30 Mar 2012 hi can any one help i have a stage eu5 140 twd i have noticed when cold there is a Distinct diesel rattle under acceleration untill the engine  The 6-cylinder internal combustion engine vibration and noise test are carried out in a process to separate and identify the noise sources of the diesel engine. Rattling on acceleration. 30 Aug 2011 Under acceleration (esp from cold), I get a rattle from the engine. I checked the exhaust system, but can't find any leaks/loose bolts. the DMF has been suggested but a May 16, 2016 · Open road, set throttle to 50% revs come up the rattle occurs till gear change 2 then revs come up then rattle till gear 3 etc etc On moderate or full throttle it is constantly there. Occurs mainly under load @ approx 2500-3500 rpm. When I shift into first gear, the RPMs pick back up and the rattle goes away. can anyone guess where this noise comes from? After both those parts were replace the loud exhaust noise was gone which was good but the noise coming out of the car from accelerating is still there. 2003 subaru legacy, noise on acceleration that goes away over 30 mph 5 Answers. Brand new 2016 Colorado WT I4 4x4 with 200 miles on it. Mar 16, 2011 · The mechanic removed the heat shield hence removing the rattle only there is one huge problem the rattle didn't go away but got worse. The rattle occurs while coasting and deceleration and goes away as it shifts into second and first gears. Re: HDI rattling heard when accelerating Post by RichardW » Sun Jan 22, 2012 8:38 am CitroJim wrote: Rather than suffering pre-ignition, all diesels exhibit a condition known as ignition delay where a finite time elapses between injection and the onset of combustion. Nov 24, 2014 · The rattle is only there when the vehicle is subject to acceleration and normally at the point of gear change. Board index ‹ i2/i3 Technical discussion ‹ i2/i3 for GM vehicles ‹ 2015 Sierra- rattle when accelerating 2015 Sierra- rattle when accelerating Post here with any questions regarding the use of the i2 on supported Chevrolet, GMC, Cadillac, Buick, and Pontiac applications. 2/6. I can also manipulate the sound with the gas peddle, being able to make it loud and stop by either getting on the gas or letting off. Apr 02, 2020 · You know the “rattle” sound a Diesel engine makes on a regular basis? Well I’m getting a similar sound coming from the engine as I accelerate under low rpm. Average repair cost is $3,500 at 76,350 miles. It seems to happen more after the truck has warmed up? The noise doesn't seem to come from the engine compartment but more from underneath the truck, like the exhaust. I have the same problem. The radio was off as was the vent fan. 000km on the clock. I can reproduce the rattle while idling and pushing the accelerator but its much harder to get a loud rattle out of it. Noisy pulley bearing on front of motor (usually idler or tensioner, Jun 14, 2009 · Hello, I am looking for some information on what could be the problem. The noise level is also different, sometimes it is a softer rattle that is on the quieter side, while other times it is more harsh and rather loud. The sound stops if you let off the throttle completely. 0 CRDI (Diesel). Anway I am not sure about cats because I drive diesel but the way we  It's a characteristic Diesel "clatter" around 2400 - 3000rpm but then promptly dissapears after 3000 rpm when the 3rd piston of the HP fuel pump  24 Jan 2014 Piston ring noise is also similar to the valve and tappet noise above; however, it is most noticeable during acceleration. you can freely move the linkage you see in diagram. If I put it in nuetral with brake appled the rattle stops. When I let off the gas, the noise stops. Engine rattling is never a good sign. Thursday 2nd September 2010. Sort of sounds like a bad bearing on a wheel, or a harmonic sound which is related a certain RPM. 4-18-2007. When i start the engine in the morning, everything runs fine, but as soon as i drive off, there is an extremely loud rattle from the engine, when accelerating (only under load). real loud rattle. Jan 22, 2017 · What have you done to it? After headers and full exhaust I developed a rattle after several months. Have been hearing a rattle when accelerating sometimes. September 19, 2015 at 6:16 pm #839364. If the noise exhibits itself only under acceleration, suspect a defective bearing in the differential (pinion, carrier, or axle). Diesel-powered vehicles haven't enjoyed the best reputation in the United States, despite the well-known benefit of impressive fuel efficiency. The VANOS is a camshaft timing system which runs off of engine oil pressure. There is a harsh  Buy BD Diesel 1300030 Accelerator Pedal Position Noise Isolator Accelerator Pedal Position Noise Isolator: Bolts - Amazon. May 30, 2017 · I have a 2017 GMC Sierra. 2007. Mar 12, 2012 · The problem is that seldom will you from the drivers seat be able to audibly depict the increase in engine noise as one of the Timing belt idler bearings starts to make more noise just prior to seizing, or hear the occasional timing “belt slap” as the tensioner can now longer keep the timing belt tight under heavy acceleration just prior to the belt jumping a few teeth. When I accelerate I hear a rattling vibration sound. Average failure mileage is 22,000 miles. Engine knock typically occurs during low-speed, high-torque conditions, like  15 Jan 2020 Definitely had a rhythm to it almost like an exhaust leak (using that as an example ) comes and goes away with the acceleration. At around 40% throttle there no rattle and you can drive all day rattle chatter free. The vehicle may even stumble entirely during these seconds. Accelerating and Turning Noise · If you experience a squealing noise when accelerating, there's a good chance it has to do with your drive belt. My $1. 10 Jan 2019 They are the beating heart of petrol and diesel cars and maintaining their Flaring revs under hard acceleration can be an indicator that your car's Ultimately if you have a knock, rattle or hear a noise that is unfamiliar for  4 Jul 2016 I hear the rattling sound as I begin to accelerate, and only when I have my foot on the gas – when I let off, it's perfectly quiet. 8 Jan 2016 DieselJunkie said: I'm just trying to determine whether you're confusing a normal diesel rattle with something else. 2L w/ Max Trailering pckg. hi everyone, My 2004 2. I always get this sound when throttling up or just cruising I can hear a this annoying odd Page 1 of 2 - Rattling noise when accelerating - posted in Diesel Engines (Mondeo Mk3): Hi, Have a 2004 TDCi, and it started making a rattling noise about two-three months ago. And no, it would not rattle all the time. if you reach behind it with your hand when the engine is NOT running. Consumers have long been unimpressed by other traits, Jan 14, 2020 · First diesel I’ve owned. Sep 19, 2015 · agree with Fopeano on this one, it sounds like there is some excessive clearences in your valvetrain for a second, then it goes away, almost sounds like oil pressure isn’t keeping in the valvetrain when the car sets, so when you go to start it you get the rattles and ticks. Now I'm not too sure if this is normal or not, however it doesn't sound normal. Sep 05, 2017 · I've noticed what I would describe as a "clanking" or "rattling" noise. I do appreciate a normal cold IDI diesel engine is noisy but this is +30% extra. This condition is present under only partial throttle, light load conditions. Faulty Fuel Filter. There's nothing more intrusive than an obnoxious exhaust rattle in a car that is otherwise nice and quiet, so we've covered some of the more common causes to   2 Oct 2019 It is common for vehicles to produce sound when they start or when they are accelerating. I've taken it to my local Hyundai dealer twice, but on both occasions the noise wasn't there. If you hear a pinging or knocking sound only when you accelerate the vehicle, the  levels in heavy-duty diesel trucks, using test acceleration noise tests. Then, Most likely you’re probably experiencing spark knock. If the noise still persists, then the problem lies somewhere in the drivetrain or transmission. Initially, it occurs mostly with a cold engine under acceleration up to around 2000 rpm's. Torque Converter Try and grip the turbo and move it side to side, then the housing, then the outlet fitting to the band clamp. 6D 4x4 Euro 6. It does not do it while idling around, it only makes the noise when I start to go and get up to speed, you can hear the actual turbo noise as Took the 2007 Altima 2. Oct 20, 2010 · Hi, I have a 99 Lexus ES300. Had a second thought on this. Aug 07, 2009 · This usually happens while in gear accelerating and more often while the engine is still cold or warming up. If the rattling were the oil pump, the rattling should change in concert with the engine speed. Whistle (Turbocharger). 2008 se 4x4 crew cab. Only happened while accelerating. The profile level (points 3 and 4) shows the noise behaviour at angular acceleration amplitudes above the rattle limit. The rattling noise level starts to rise as angular acceleration amplitudes increase. 7 Diesel rattling noise under load After endless searching and tones of blogs and no solution to the rattling noise under acceleration I have found your Mar 03, 2014 · Namely, when the engine is cold, upon acceleration, in range 1500 - 2100 rpm there is a clearly audible tinny knock that is in sync with engine's own 'dieseling'. 7 CDTI with 70k miles. Its getting quite loud now, I can just hear it over the radio with the This causes a very sudden increase in pressure – much more so than in a petrol engine, where the fuel is ignited at lower pressure by a spark. NOTHING BELOW OR ABOVE THAT RMP. Apr 20, 2020 · The mechanic removed the heat shield hence removing the rattle only there is one huge problem the rattle didn't go away but got worse. Nov 30, 2012 · I have just purchased a 2012 Acadia LT1 and am having a problem with a rattle when I accelerate from a stop. No vibration either, just a rattling/clanging noise. If left unattended for long enough, it can be severe and very destructive. once the throttle goes down a bit further the noise goes away completely and the car runs quietly (as quiet as can be expected from a diesel) Its noticeable when driving slowlysay when looking for a parking space or moving off from the lights. Today I noticed under moderate to hard acceleration a rattle/clicking noise. I put in 93 octane and some gas treatment and some fuel injection cleaner. Then check the up-pipes and see if one is loose. Most people call this a pinging or rattling sound. 28. I've had several people ask me what that noise is. Question. The timing of the fuel being injected into the diesel engine is critical to prevent parts breakage, which can result from severe knock. Just a fast acceleration (I didnt spin the tires or anything). if anyone could help out it would be appreciated. Recently, my car was leaking colorless fumes into my car when I drove it for longer than 10 minutes and there was a louder rattle and delay of power when accelerating. 2L. Sitting in the Prius, running the AC, the battery will get to 2 bars, then the ICE starts to recharge the traction battery. If it rattles when idle,  11 Apr 2019 Is your engine knocking, ticking or rattling? Is it happening while under load? Join Master Diesel Mechanic, Mike Schrems as we find a solution  18 Aug 2015 Beware of Common Rail Diesel engine “rattle” at any time! Sometimes a rattley, or pinging noise occurs under acceleration from cold, but will  13 Jun 2019 Things that Cause Knocking Noise from Vehicle When Accelerating louder and faster as you accelerate, that's a classic sign of engine knock. (Diesel: no-load, part load and acceleration). I just had the egr valve replaced, this was not affected. Discussion Starter • #1 • Aug 8 It is strongest when applying throttle at low RPM, for example leaving my garage ramp uphill while having W mode (2nd gear) selected on the shifter. Remember when we re kids and had the flippers attached to the spokes of the bicycle and would Aug 13, 2008 · Rattle sound when accelerating I am trying to figure out where this new sound is coming from when I accelerate. I made sure I was using premium gas to rule out anything to do with cheap gas. diesel rattle when accelerating

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