Knocking Sound When Pressing Gas Pedal

Below is the list of possible causes of car hesitation. This is the point where the release bearing is just contacting the pressure plate fingers. Battery current gets to the motor via the solenoids. The frequency of the ticking varies based on speed. 2002-2008 Dodge Ram 1500 Troubleshooting Stepping on the pedal will feel like stepping on a balloon. If I press the gas peddle down and get on the car as it downshifts I can hear the noise again. The noise may be a hollow knocking sound or more of a rattling sound—in either case, it's not a sound you want to hear. I just got a 2015 Toyota Camry. This noise is more noticeable on acceleration because the engine is working harder, making the noise louder. doesnt do it when i hit the gas in park. Once my speed gets below 60 mph the noise is gone. I have a 2002 sebring, when i press the gas pedal i hear a knock that sounds like it is coming from under the car and i can feel it on my foot. Q: I first started hearing a whining noise early in the morning when I turned on my defrost on my heater until the car warmed up. Less than 49K original miles. I can even feel the clunk hit the gas pedal when you are accelerating. The engine is Chrysler's 3. Spark knock is only heard while you are driving and you press down the gas pedal and cause an instant load on the engine. A knocking noise that has more of a tinny sound and increases in intensity with acceleration and goes away when the gas pedal is released and the. only when i accelerate,not when coasting. Named after an animal that could run from 0-60 in the same time as its automotive namesake, the fast Impala was a hit for quite a long time (setting a record of one million units sold in 1965), and was only taken from the GM roster in 1985, when front wheel drive had its historic triumph. since KE PE 0 and U 0 (the change in internal energy of an ideal gas is zero during an isothermal process), and Ssys Q/Tsys for. I can also feel the clicks in the gas pedal. But when you press the clutch pedal in, the. We looked closely for any free movement in the suspension, paying particular attention to the sway bar mounts and the links. It shifts and drives fine, though I didn't drive it. When you put your foot down on the brakes you expect your car to quietly slow down and come to a stop. When the car stops or even in park everything is fine, and feels like a new car. The noise and the shake will stop as soon as I let off the gas then I'll accelerate it'll start up again randomly, but stop as soon as I let off the gas. By the way this is on the driver side frount end. When the truck heats up and I start to accelerate there is a knocking/clicking sound, sometimes loud sometimes quite, coming from under the car. The durango has had regular oil changes and maintenance. If the noise occurs regardless of road speed it might be clutch related such as the pressure plate release bearing. The noise may be a hollow knocking sound or more of a rattling sound—in either case, it's not a sound you want to hear. A knocking noise could also be from the engine if you put the wrong gas in the car, he adds. Some such as overheating, are simple to fix ― just turn your engine off until it cools down. Also, the sound you are hearing could be an indication that your wheel bearing is going bad on that side. Their response was that the clutch operation "meets VW specifications" so they didn't do anything. Q: Today my car made a loud knocking noise and when I press on the gas pedal, the car doesn't accelerate right away but when it does it makes a knocking noise. Scenario: This popping sound occurs when I have suddenly accelerated from a stop or especially after braking to slow down and depressing my gas pedal to accelerate back up. It did go off for a split second going down the road but come back on. After a while a squeaking noise appeared while driving which was diagnosed as missing clips to hold the pads in place and worn out shims. When the transmission is in Neutral with the clutch pedal up, the engine spins the transmission's input shaft which spins the transmission and its bearings audibly. You can diagnose your car problem one by one if it always hesitates. It starts to knock when I give it gas. I hear a slight metallic rattling noise coming from the front of my car when I accelerate. I would look under the hood, while in Park and have a friend press the gas pedal gradually so you can observe the behavior and find out where the sound is coming from. Bag yourself cash with the AO Show. Knocking sound from battery pack? had a light thunk under the brake pedal a few times times when I let off the gas. Question: What type of motor oil is best for scooters? Answer: I'm not sure there is one right answer to this, but the prevailing wisdom seems to be that you should refrain from using synthetic motor oil for the first 1000 miles. Rattling Sound When Accelerating At Low Speed. The "knocking" sound is the result of the air/fuel mixture exploding/detonating at the wrong time(not just the right second) and the explosion is causing the piston to rattle inside the cylinder. It’s a long post but there is some useful info which may save you time. Why Would a Car Make a Ticking Noise When the Accelerator Is Pushed? There are many reasons why a car makes a ticking sound when the accelerator is pushed. The "knocking" sound is the result of the air/fuel mixture exploding/detonating at the wrong time(not just the right second) and the explosion is causing the piston to rattle inside the cylinder. from under her bonnet and the clutch pedal only takes grip part way pressed, so I worked out this: when I am. A lot of dealers are better at changing oil than diagnosing problems. The ECU throttle output may not have a 1:1 correlation to the gas pedal potentiometer. Not a knocking noise, but definitely a noise. Also, the sound you are hearing could be an indication that your wheel bearing is going bad on that side. Hi All, Im having this problem for some time as in while travelling in gear, when I lift my foot off the accelerator, there is this whining noise and its seems to be from the auto tramsmission gearboxsome kind of sharp engine brake noise, very annoying. Riding lawn mowers provide a means for homeowners to efficiently and evenly cut large tracks of lawn without all the backbreaking labor. I just recently noticed that when i accelerate, my 02 i4 accord would make a constant subtle knocking sound; sounds sort of like a wood pecker pecking at a tree. Question: What type of motor oil is best for scooters? Answer: I'm not sure there is one right answer to this, but the prevailing wisdom seems to be that you should refrain from using synthetic motor oil for the first 1000 miles. It consists of a hole, usually round or oval, and a tapered plug, usually a disk shape on the end of a shaft also called a valve stem. The most recently reported issues are listed below. So I've had my Ford F-150 for a few years now. I also changed the gas cap because the check engine light came on recently and I have been having trouble with the gas gauge being off. No it is not a pinging sound, it sounds like somethings knocking in there but it only lasts a few seconds until the blue temp light goes away. Ticking or clicking noise when accelerating I get a light ticking or clicking noise when I begin to accelerate that I can hear in the cab. Symptom: When gas pedal is depressed, regardless of the car's momentum, I can hear a very fast clicking or more animatedly described, a turning tick from a "wheel of fortune" wheel or like a very light 007 semi-auto pistol going off on full auto. Reinforced brackets may help prevent further cracking in the firewall. I only found the knocking noise at the number 1 cylinder at the back valve cover. The sound disappears after reaching 35/40 mph. Identifying Weird Car Noises. He replaced the fuse but his gear shift was locked and I unlocked his gear shift for him and he told me he was on the highway and he was pressing down on the gas pedal but it gives no power. For manual models, the firewall and pedal box could crack, enabling water to leak into the driver's footwell. 25 hours and range to nearly 1280 n. Suspect the pilot bearing if a whirling noise is present only when the clutch pedal is fully depressed. Press the gas, and it comes back. nicorn Airlines Flight 739 with no pilot, no crew, and no passengers lands at Anchorage International Airport. The knocking is 'tin' like in sound. Wait till you have about half a gallon of gas left in your tank (no more). I have this sound coming from my jeep. Learn to listen to your car and address the sound early by having a mechanic check it out. I got gas back in. I notice my car is making a knocking sound when you break from 50 mph and lower. Clicking noise when pressing gas pedal - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. Starts at about 35mph and stops at 60 and when I am just applying steady pressure on the gas pedal. This past Saturday, I take it to my regular shop. Loud Knocking when pressing on gas pedal I have a 1998 Chevy Tracker 2 door 2 wheel drive, there is a loud knocking sound when i press on the gas pedal. An engine can stutter when you use the brakes, because, when you're driving with gas pedal, you're putting energy into the engine, with adding gas, air, and electrical spark. But when i get up to, say, 40mph and i ease off the gas, the car thumps, or kicks momentarily, almost as if it is shifting rough, but i don't think it is downshifting as i am only maintaining a. When fully depressed it is quite a noise. Waiting for your suggestion. I don't hear any sounds until I take it close to 50 mph and let off the gas pedal, in which case I will hear a knocking sound. The ECU throttle output may not have a 1:1 correlation to the gas pedal potentiometer. When the car stops or even in park everything is fine, and feels like a new car. Was wondering if it was a bad engine mount for. correction rsignal 2D19 gas pedal control 2E68 Knocking. Is this something serious or is it bad gasoline. Kia will notify owners, and dealers will add a supporting rubber underneath the pedal stopper, free of charge. But when you press the clutch pedal in, the. There's play where the drive shaft goes into the rear end, but I've been told that a little bit play is normal I don't have an excessive amount of play but it is they're up down. Car has been having some work done, since getting it back have noticed a knocking noise when pressing the brake pedal, happens when brakes havent been pressed for a while, then doesnt til pedal is pressed after driving for a while. The way I read your description, it sounds more like the engine shudder of a misfire rather than a rattle from the frame, but others here seem to be reading you differently. Audi MultiTronic Gearbox Problems. Scenario: This popping sound occurs when I have suddenly accelerated from a stop or especially after braking to slow down and depressing my gas pedal to accelerate back up. The vibration and shaking you feel from this problem will often happen when you brake at highway speeds. Your Ford truck shouldn't really need a higher grade of gas so this is probably something else. Sorry I couldn't help much. A lot of dealers are better at changing oil than diagnosing problems. Happens in neutral sometimes, and park if i press on the gas pedal. This vibration can also be felt through your brake pedal. It felt like the truck was vibrating under my seat. This is the point where the release bearing is just contacting the pressure plate fingers. I got gas back in. wanted to get some opinions before bringing to dealership. You may notice a general lack of power. Dealer technician helps with car and truck repair. I changed alot of parts on th. I have a 2010 G37x Automatic with 24,900 miles on it. Idling sounded like it always had. My 2007 Prius has the mileage of 171,000km and since around 3 years before I've sensed the knocking noise from engine, especially on acceleration at low speeds. Ten problems related to engine knocking noise have been reported for the 2004 Ford F-150. The source may be a loose rocker arm or carbon buildup inside the engine, but if it's a loose bearing or a faulty piston, it can destroy the engine. a huge knocking noise is coming from the transmission that kind of sounds like a helicopter taking off. See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. This was my most recent experience. Especially one day when it's only 10 degree F outside, I could hear it as soon as it reaches 10 mph. If so, i think we have different problems. If it's a continuous clicking whenever the pedal is pushed down with the engine running, then it could be the throwout bearing. But when you press the clutch pedal in, the. When I am driving anywhere over 40mph and I completely let off the gas pedalI get this really loud rumbling noise and it shakes the jeep pretty good. There is a bit of a metallic buzz/click, but as mentioned, didn't sound abnormal. This is usually caused by a front wheel out of balance. The popping noise tells you something isn't right. It sounds like a Harley… or a bad muffler, but the sound is clearly coming from the front of the car. I have taken our 2015i Escalade in four times for the same issue, but mine seems to come from the front suspension where you can feel it and hear it, but it could be the driveshaft or the rear diff resonating through the frame of the car. It's not the tires, as replacing them hasn't caused any change. im not sure what it could be and what i can do to eliminate or troubleshoot this issue. If you want to carve out your own sound, the pedal gives you an extra foot-switch that activates the Contour Wah mode with dedicated Contour & Level knobs for dialing in the tone and loudness. Noise when pressing the gas peddal. I own a 1999 Dodge Durango, V8 Mag. Do this while driving about 25-30 MPH (apply e brake slowly with your foot off the gas to make a slow stop), slowly allowing the brake to stop the vehicle. For manual models, the firewall and pedal box could crack, enabling water to leak into the driver's footwell. Free to join our QashQai Forum. Banging sound from under the car when pressing down hard on the gas pedal It's coming from the bottom of the car when I press hard down on the gas pedal. A common cause of knocking is lack of oil to the lifters and top end of the engine. You could try cleaning the contacts in the closed throttle switch. Spark knock is only heard while you are driving and you press down the gas pedal and cause an instant load on the engine. The cart idles when you turn the key, it's a key start. 5 Sounds that Signal your Car Needs Auto Repairs. Modern cars have a drive-by-wire system where pressing the accelerator pedal sends the signal to the computer that in turn activates the throttle valve. when i hit it, my car doesn't move. Have someone on the car and do this, put it in reverse and without pressing the brake put it back in D and then R, Do it like that, so that way you can be outside the car with the hoop open hearing from where the noise is coming, your friend can help you or your wife. It starts to knock when I give it gas. Usually hear it for the first 4 gears or so while taking off. Symptom: When gas pedal is depressed, regardless of the car's momentum, I can hear a very fast clicking or more animatedly described, a turning tick from a "wheel of fortune" wheel or like a very light 007 semi-auto pistol going off on full auto. I bought a 2005 club car carry all 6. For over a year I've noticed a kind of ticking sound coming from under the truck when accelerating only. It sounds like normal operation to me, unless OP is describing something totally different. Well I am hear to tell you where there is a will there is a way. This knocking sounds comes up while in low-speed especially in the parking lot area when going reverse or slightly go straight so knocking sound comes from the front like something was broken. This banner text can have markup. The noise is a deep humming sound, no vibration. Also it revs excellently with no sound and idles very well. This particular symptom can be hard to recognize at first, since it's quite possible that when pressing down hard on the gas pedal or cruising at highway speeds, you'll achieve good performance. The clunk sounds like it's coming from the area of the rear differential. 2012 BMW 328i with about 9000km. If you begin to hear a squealing sound, this is likely a worn release bearing. I tried pressing on the gas pedal to make it stop but could not get the engine to rev. Rattling Noise While Accelerating 11 Answers. One thing that may disturb a driver is strange noises, such as squealing or squeaking, coming from the vehicle when the engine turns on. Engine Vibration Causes – Free Auto Repair Tips July 25, 2009 4:51 pm dennisb - Auto Tool Sales DIY , Drivetrain and Noises , How To Auto Repair This Kia Rio had a severe engine vibration, see the picture below for the cause. slow speeds and get the noise to. Important: Inspect the original AFM lifters before returning them for warranty. I recently bought a manual transmission Skoda Yeti 2011 with 1. My suggestion is if this is a gas station you've never used before, it may have been the gas which is at fault. from under her bonnet and the clutch pedal only takes grip part way pressed, so I worked out this: when I am. when i tap the gas pedal, i would hear a rattling sound just like a spraypaint with a ball in it, my truck is a ford f150 xlt 1999 ive changed all the bearing on the belt and also took it to ford, and still they cant find the rattling sound, can anyone help. Is this something serious or is it bad gasoline. Dealing With A Low Brake Pedal. There are several reasons that your car could be experiencing combustion problems. An engine can stutter when you use the brakes, because, when you're driving with gas pedal, you're putting energy into the engine, with adding gas, air, and electrical spark. 2008 Nissan Armada has a ticking noise coming from bottom of vehicle only during driving. Clunk from motor when going slowing down and accelerating + whining noise at 65+mph Submitted by ElectricZo on September 19, 2013 I have been noticing a 'clunk' feeling/noise when transitioning between slowing down and speeding up. If I put the clutch in and let the car coast out of gear, the sound stops. When you put your foot down on the brakes you expect your car to quietly slow down and come to a stop. But I hear a knocking noise whenever I pedal on the down strokei'm thinking it's maybe the BB but i'm not sureor could it be something. It is probably happening only at off throttle and is most likely the ISC motor. But put my foot back on the pedal and nudge it the tiniest bit, and the sound returns. My 2007 Prius has the mileage of 171,000km and since around 3 years before I've sensed the knocking noise from engine, especially on acceleration at low speeds. - Turbo Diesel Register is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon. Heres a good link about fixing your VANOS if it is the case: Beisan Systems - Procedures. I don't hear the noise if I take my feet off the gas pedal. This company is not yet accredited. I have a 2002 sebring, when i press the gas pedal i hear a knock that sounds like it is coming from under the car and i can feel it on my foot. Every time I press on the gas pedal it makes a knocking sound. I think the knock is internal to the engine, but hard to diagnose over the internet. A bad ISB is a common problem in EX trannies 92-2000. And repla. When he pressed in the clutch pedal, I could hear a clicking or ticking noise from the transmission area. Also, when accelerating it seemed to have a slight lose of power (almost like the gas flow was interrupted briefly). Inspected the wheels and brakes, no issues evident. The pedal feels too firm to press down. "whenever i accelerate and then ease up on the gas pedal, the car kicks a bit. Constant ticking. If this is the case, you’ll get shaking through your steering wheel while you’re braking, or a pulsing feeling directly through your brake pedal. It’s a long post but there is some useful info which may save you time. As the authorities are wondering what happened, a ransom demand is made for the. The truck runs fine, and when I get up to my cruising speed, the ticking goes away. My specialized P2 with TruVativ Hussafelt crank is making a clicking noise every time i pedal stand up or pedal real hard, seems like its coming from cranks and bottom bracket or the pedals. The clunk sounds like it's coming from the area of the rear differential. I apparently too it to the dealership and they claim that this sound is normal and you'll have to switch to another fuel station however they did claim that this isn't knocking and is the sound which the turbo makes and I was like are you guys crazy, why in the world would a turbo make a clanking noise, a turbo makes a hiss not a clank. Be on the lookout for smoke or fire, two things you should never see under the hood. Not a knocking noise, but definitely a noise. • Can be duplicated by lightly touching the brake pedal. spacheco29 wrote:I recently purchased a 2012 Silverado. We apologize for the inconvenience. It's the best way to accelerate, after all. 4 TSI engine. Comes and goes. Depress the pedal until the clutch just engages. Ticking or clicking noise when accelerating I get a light ticking or clicking noise when I begin to accelerate that I can hear in the cab. BMW CODES - Free download as PDF File (. $1,700 for labor and parts for a clutch doesn't sounds that bad to me, but I'm used to cars that show a book time of 24 hours in labor alone. a huge knocking noise is coming from the transmission that kind of sounds like a helicopter taking off. its very slow, and you barely move while the car is making a tremendous and embarrassing amount of loud noise. But most automatic drivers have an aversion to shifting while in motion, afraid that they'll damage the engine or put it. A popping sound coming from your engine can be bad news. Been going on for a few weeks. Remove key. So the noise is only when I'm dead stopped accelerating to 5mph, then it goes away, and also if I'm in park and very lightly hit the gas it makes the same noise. Otherwise, the bolt just hits on something. It doesn't do it all the time, now it only does it noticeably around 10% of the time. Perhaps it is a loose heat shield near firewall. My mazda 3, AT makes a slight knocking sound when I suddenly press the accelerator pedal, and the engine is at low RPM and the gear is high. 1,040Km on my odo, will be going to the Casa in a day or two from today. Once I get on the highway it doesn't make the noise, doesn't matter if I hit a bump or not. It doesn't make this noise if I am parked, only when the car is moving. Pressing or releasing clutch doesn't do anything to this noise anymore. Ticking or clicking noise when accelerating I get a light ticking or clicking noise when I begin to accelerate that I can hear in the cab. I don't hear the noise if I take my feet off the gas pedal. This only happens after the truck is warm and after driving for a while. After taking the vehicle to the dealership for a tune up and oil change at approximately 71,000 miles we have had nothing but trouble. If you begin to hear a squealing sound, this is likely a worn release bearing. The master cylinder plays an important role in distributing the hydraulic pressure mentioned in #1. Everytime I let off the gas pedal, which makes the car slightly jerk the driveline a bitas with almost any MT carI hear a slight tick noise. While in motion the noise happens when the gas pedal is first pushed, then stops. Why Would a Car Make a Ticking Noise When the Accelerator Is Pushed? There are many reasons why a car makes a ticking sound when the accelerator is pushed. In my case, the rattle/knock really did sound like it was a much deeper engine problem, like it was maybe related to the valve timing or something like that. The car had less than 15000 miles on it and therefore was shocked by sound. Imagery is the process of using vivid, descriptive words to give the reader a detailed picture of what is going on in your writing so that they can easily picture, or visualize, it in their own mind. I got gas back in. If you feel the vibration only in your seat, it's probably a rear wheel. Noise when pressing the gas peddal. If this is the case, you’ll get shaking through your steering wheel while you’re braking, or a pulsing feeling directly through your brake pedal. Don’t believe me? Just test drive a 330 and a Infiniti G35 back to back. when i hit it, my car doesn't move. Guys my 1992 NSX is have a weird issue, its never done this before, when I press the gas everything is normal, thru 0. Turning the car off can "cure" the symptom until it randomly has the same problem. Just change the injector caps asnd injectors,while driving the truck is making knocking sound when i press the gas pedal if i'm not pressing the sound go away. When fully depressed it is quite a noise. When he pressed in the clutch pedal, I could hear a clicking or ticking noise from the transmission area. Been going on for a few weeks. it stalls on take off unless I push the gas pedal very slowly. Please also check out the statistics and reliability analysis of the 2004 Ford F-150 based on all problems reported for the 2004 F-150. It sounds like it might be coming from the brake pedal itself or somewhere underneath the hood. knocking when i press the gas pedal 4 Answers. There are several reasons that your car could be experiencing combustion problems. I am hearing a clunking/knocking noise when I accelerate and decelerate, especially in lower gears. Hello! I'm hoping somebody can help me! We just bought a 2000 Outback for my husband to use as his "commuting car". in lower rpms. Knocking noise when pedaling. The problem may occur when the engine is hot or cold or when you are low on fuel. So what's about car makes noise when accelerating at low speed on the road?The rattling noise appears when you start speeding up from 0 to maybe 30 or 40 mph and then disappear after car speed surpasses 40 mph. Return to Diagnostic Chart. A few milliseconds after pressing my gas pedal, I hear a popping sound closer to the center firewall of the engine. The only time I can prevent this, is by releasing or pressing the gas pedal veeeeeeeeery slowly and easily. my car needed a lot of work, but i intended to get the most important things done today and wait on the other things. When I am driving anywhere over 40mph and I completely let off the gas pedalI get this really loud rumbling noise and it shakes the jeep pretty good. Maybe one day people will realize how overrated the Beemer really is. Rattling Noise While Accelerating 9 Answers. I didn't hear it at other places on the front and back valve cover. If I press the gas peddle down and get on the car as it downshifts I can hear the noise again. 17 August 2015 Categories: , Blog. Today I was driving to work (180 Miles) and about 40 miles. The frequency of the "tapping" doesn't change either. When I accelerate it sounds like a bunch of marbles are pinging around and it stops when I let off the gas pedal?? I don't know much about cars, only basic stuff. While in motion the noise happens when the gas pedal is first pushed, then stops. A popping sound coming from your engine can be bad news. Over time, seals within the cylinder can break or leak. - Turbo Diesel Register is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon. Kia will notify owners, and dealers will add a supporting rubber underneath the pedal stopper, free of charge. SOLVED Something is humming and slowing my Jeep SOLVED! My gas pedal was also vibrating more than I've ever noticed before too. For the last month or so, whenever I'm in stop and go traffic and I press on the gas pedal, I hear a knocking sound from under the car that sounds like someone shook a coin inside a can. Makes no difference what type of road surface. in lower rpms. Was wondering if it was a bad engine mount for. Strange Vibration when pressing gas pedal - help!?! The flywheel being loose is going to make a constant knocking sound it wont go away, same with any bad rod. If it's a continuous clicking whenever the pedal is pushed down with the engine running, then it could be the throwout bearing. I hear a slight metallic rattling noise coming from the front of my car when I accelerate. If this has an effect on the humming noise, the problem is with the tires. When you step on the gas, the engine bogs down or takes a second to respond. only when i accelerate,not when coasting. I had the same problem with a grinding noise only when pressing the gas pedal. Some knocking in the engine compartment are often a normal operation sound of EVAP VSV and injectors. Recently I started hearing a clicking noise when driving. If you still love the car and want to get it drive it first and listen to the engine (make sure it has a consistent sounds rather than a knocking sound indicating cylinder or timing issues etc) then release the gas pedal suddenly on 1st and 2nd and see if the car throws the gear back to neutral - this will tell you that your. Don’t believe me? Just test drive a 330 and a Infiniti G35 back to back. Some owners report a grinding or growling sound when the pump goes bad. Spark knock is only heard while you are driving and you press down the gas pedal and cause an instant load on the engine. cant tell if it's from the engine or under the vehicle. I have a 2002 sebring, when i press the gas pedal i hear a knock that sounds like it is coming from under the car and i can feel it on my foot. No sound from the engine during idling, regardless of pressing the gas to rev engine. The truck runs fine, and when I get up to my cruising speed, the ticking goes away. Feels like its coming from passenger side front. Yea i have 99 nissan altima and there is a knocking sound from the engine when i start it up. The popping noise tells you something isn't right. cant tell if it's from the engine or under the vehicle. I hear that weird sound while stopping from hitting the gas in high rev with full throttle or when I start pressing the gas pedal also on 2k rpm or above. I had the same problem with a grinding noise only when pressing the gas pedal. This is my second Expedition and I noticed a similar sound with a 2000 model. I can also hear the noise when I first start the car up but it stops right away, just comes back when I press on the gas to go forward. With an exhaust leak, the muffling of the noise is cut short, making the noise louder. Honda has created a premature brake issue and must be held accountable. If your car makes noise when accelerating or turning, don't ignore it. Brake drums will be marked clearly as to how far they can be machined safely to remove out of round. This only occurs when the car has not been start after about 5 hours. I have a 2002 sebring, when i press the gas pedal i hear a knock that sounds like it is coming from under the car and i can feel it on my foot. Comes and goes. does this sound like the clutch is gone? pedal up you can hear some sort of spinning noise from inside the cabin. I have a '10 Forester with only 8300 miles on it. The frequency of the "tapping" doesn't change either. This past Saturday, I take it to my regular shop. If only only push the pedal down maybe 1/4 of the way, the noise is still there, but at about half way, if goes away. 8 TSI with 6 gear AT. It was a simple issue: bolt came loose on the crossbar and so the bar was hanging down a bit and rubbing against the exhaust. Is this something serious or is it bad gasoline. the noise sound like clicking grinding noise. The problem is clicks and knocks that I hear and feel (by feet on pedals and floor), they appear at the moment when I press gas pedal, and sometimes when I release gas pedal. Just like u, once i lift off the gas the hum goes away. I apparently too it to the dealership and they claim that this sound is normal and you'll have to switch to another fuel station however they did claim that this isn't knocking and is the sound which the turbo makes and I was like are you guys crazy, why in the world would a turbo make a clanking noise, a turbo makes a hiss not a clank. The horn may stick when depressed or not sound at all, requiring the horn pad and airbag module (a single unit) to be replaced. Knocking from the engine compartment. Expert eyes scanned line after line, focusing on every printed word and string of numbers with the same amount of accuracy and speed that had made him an asset during his Naval Intelligence days. A fresh proper oil change is a cheap way to start the troublshooting process without spending wasted money. And the car vibrates in general (like I can see the rearview blur when I hit the gas). Audi MultiTronic Gearbox Problems. The noise decreases slightly when the engine is fully warmed up but it is still audible. cant tell if it's from the engine or under the vehicle.