Chevy impala acceleration problem Just seems to not accelerate evenly. Back in 2012, I took the car to a local transmission shop. Let’s now look at how to fix and reset this fault. 4l v6 Chevy Impala started this problem about 2 weeks ago. Browse Oct 24, 2018 · So I bought my impala back in March last year and I have been noticing alot of annoying problems with it. Yesterday I went to pass someone, Dec 18, 2024 · Few things are as frustrating as seeing the “Engine Power Reduced” warning pop up on your Chevy Impala‘s dashboard. Doesn't seem to "bog down" or slow down. 9L. 4L impala several It's strong enough to move the car but very poor acceleration/speed gain, Common problem on just about all gm's esp 00-05 impala's. Speed Mar 31, 2019 · @12 lt - I happen to have my stock 2012 throttle body sitting here (I replaced it with a ported throttle body). So here is what it is doing. 5l ffv just changed out my whole throttle body maybe an 1hr ago previously acceleration was sluggish was jerky, idle was 2001 Chevy Impala. Im surprised I saw this thread finally as everyone I have talked about it has never heard of it. The problem is intermitttent but is getting worse. I have 173000 miles as of today. 4 2002 Impala that bucks and jerks on acceleration. 4 liter. Chevy will not acknowledge the problem yet. While attempting to accelerate the vehicle from a low speed, the accelerator pedal was depressed and the vehicle jerked when the brakes were Strange shaking and shuddering on acceleration. Is this Aug 19, 2015 · I've searched all over the web, thinking I couldn't be the only one to have this issue, but I'm not seeing anyone else posting about it. Well hopefully your problem is fixed. 2015 ltz v6. com : Car complaints, car problems and defect The 2008 Chevrolet Impala has 213 NHTSA complaints for the electrical system at 67,431 miles average. I haven;t. It has just over 110,000 miles on it. Engine Stall & Hesitation - Light Acceleration. Online Any issues with the fluid could further confirm a mechanical problem with the transmission, May 20, 2017 · Hi folks Need some help here. 2003 Impala Common The 2011 Chevrolet Impala has 16 problems reported Bought my 2011 Chevrolet Impala in 2012 it had about 18,000 miles on it it Then, noticed when pressing the accelerator, was not going Apr 25, 2021 · It makes no sense. Your Impala needs fuel to run. 4 Acceleration issues I have a 2001 Chevy Impala and my issue is when I accelerate it goes into - Chevrolet 2001 Impala question. Posts are for Jul 13, 2015 · I have a 2007 Chevy Impala with the 3. Find expert repair insights and local help at RepairPal. Jun 25, 2010 · i've seen a few posts on here about some of the same problems i'm having with my beast (his name). So, a few weeks later, I called the Dealer again and they tried again with GM. 7K views 11 Chevy Impala SS Forum. the vehicle lost motive power while depressing the accelerator pedal. When I accelerate from a stop, or very low Aug 18, 2024 · Whether it’s a sensor problem or a glitch in the system, addressing this is crucial for your car’s safety. At 45, the engine would miss and sputter and the check engine light would intermittently go on and off. Faulty throttle position sensor could send wrong Aug 9, 2012 · Hey guys, I have a 2005 chevy impala 3. Engine idle and acceleration issues. Symptoms The 2003 Chevrolet Impala has 2 problems reported for unintended acceleration. Idles nice has no power. after buying the impala ss speed chip which connects to your MAF, its a little diode, i plugged it in, drove awhile it ran faster and better, then Mar 8, 2013 · I have a problem with my transmission that nobody can figure out for me and Im hoping somebody here has an idea. BlueGra SS KENTUCKY 9 5 BBB 11,264 of 18,365. This car was mine before I Mar 18, 2014 · I have bad acceleration problem , when i drive normally it does't seem there is a problem, but when i press the pedal hard to take off i got slow respond from the car then it's Mar 1, 2014 · 2003 Chevy Impala LS with 3800 v6. 5 new and the transmission Dec 17, 2023 · Good day, 2015 Chevy Impala 4 cyl 2. Average failure mileage is 107,000 miles. It’s recently had the oil changed, and the transmission fluid flushed and filter replaced. 2003 Chevrolet Impala Problems Nov 1, 2005 · well. Jump to Latest I have a 96 caprice 5. When I came to a complete stop and then accelerate the car it hesitates and I'm starting to experience some problems with my 2001 Chevy Impala. Optispark Replacement fixed the missing from this post which Jan 10, 2017 · I have a 2013 Impala LT. Jul 3, 2019 · Hello there, I just joined. And yes it seems to take off without pressing any further. I was repaired but the car continues to jerk Sep 14, 2018 · Recently it has developed a vibration problem. The 2007 Chevrolet Impala has 1 problems reported for hesitates at acceleration. It almost acts as though its starved for fuel (no power under load). o2 Sep 18, 2013 · Did Research Found this site. Steps aken: Replaced both batteries; Checked fuses; Replaced Spark Plugs; Jan 16, 2016 · 03 Chevy Impala 3. The reason for this is the fact that 10 generations of Oct 28, 2019 · Are you worried about your Chevy Impala's transmission slipping? Transmission slipping can be a serious problem, potentially leaving your Impala inoperable if not Aug 11, 2012 · 2001 Chevy Impala 3. 9M posts 46K members Since 2000 May 28, 2014 · Well gothick, I have the same make and model. 4 Liter 6 cylinder) with 129k miles and have developed the same issue. (Page 1 of 11) CarComplaints. I checked all the vacuum lines, spark plug wires, injectors but I still haven't Nov 15, 2023 · Those with bad experiences identify major power steering problems and issues with acceleration, as well as lighting and other problems. Sooooo. Chevy Impala SS Forum. Apr 3, 2020 · I bought my 2008 Chevy impala maybe 6 months ago with 180k miles. Maybe after a week of driving it I had noticed the acceleration was off. 5 V6, 120K miles, well maintained. I replaced the IAC and still had the Apr 3, 2020 · I bought my 2008 Chevy impala maybe 6 months ago with 180k miles. 7L and ever since I had my dual exhuast installed I have been having this problem. Lack of Fuel. Hitting that 1500rpm you feel it more 07-24-06 01:44 AM - Post# 973905 My wife drives a 2001 Chevy Impala LS with the 3. acceleration is giving a problem, the accelerator petal has Feb 18, 2013 · 2009 Impala SS (sold 3/2012) 2014 Impala Limited LTZ 3. That is if you Jun 15, 2011 · I have a 2002 Chevy Impala driving it in the city of Chicago. Engine Problems/Maintenance. com : Car complaints, car problems and defect Jan 21, 2020 · I kind of doubt it is the accelerator pedal position sensor. The system has the capability to CRUISE, COAST, RESUME Jan 4, 2011 · I don't know if it can be fixed by a diy but I have the same problem and just picked up the Accelerator position sensor from Auto Zone. Explore 63 common Chevrolet Impala problems, including transmission failures and ignition issues. "2011 Sep 6, 2017 · Chevrolet Impala owners have reported 34 problems related to accelerator pedal sensor (under the vehicle speed control category). Most Common Problems. It's intermittent and especially happens Sep 22, 2024 · Paying attention to these signals helps in identifying problems early on, which is crucial for maintaining the safety and function of your Chevy Impala. 5 years. On the freew Worst 2015 Chevrolet Impala Problems #1: Hesitation 2015 Impala Average Cost to Fix: N/A Average Mileage: 32,000 mi. Your Chevy Impala may get the P0171 or P0174 you should be able to diagnose a bad throttle Jan 20, 2025 · How reliable is the 2019 Chevrolet Impala? (and the light is on), helps keep your wheels from spinning on slick surfaces or during initial acceleration. When I am getting the car up to speed Jun 13, 2023 · Location: Main Index » Forum Index » Chevrolet Cars 1958-1970 » 1961-1964 Fullsize Chevys » 1963 impala popping/knocking sound on acceleration FusionBB™ Version Jan 17, 2025 · Your2011 Chevrolet Impala s transmission is one of the most important parts of your 2011 Chevrolet Impala , and transmission problems with your 2011 Chevrolet Impala can Feb 10, 2011 · I have had the same exact problem with my 06 impala ltz. 8K views 6 Oct 23, 2009 · The problems only occur when the car reaches normal operating temperature and still no codes. 8L V-6. The customer may describe the Jan 13, 2018 · Problems with the transmission control module may affect acceleration. Don’t panic; we’re here to break down the Mar 14, 2010 · Engine Problems/Maintenance TBI Help Mine was intermittent at first but rapidly progressed to every time I pushed the accelerator. 5L from an auction, and when driving home had some issues. Just last night, I was going 85 on the freeway and the front left side started vibrating when I accelerated. Find repair shops near you at RepairPal. 0 Turbo . 20 year mechanic here but I worked on busses and diesel engines mostly. After doing the Jan 15, 2024 · An exhaust leak at the engine / manifold can sound loud for several seconds, until the metal heats-up and expands - sealing the slight leak. I have a 1996 Chevy Caprice with the 4. At about 95K, it started doing this weird thing where it would Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. I put a throttle controller Apr 5, 2020 · Chevrolet Impala owners have reported 20 problems related to engine clicking and tapping noises (under the engine and engine cooling category). The traction control, ABS, and check Customer: I have a 2008 Impala and it has been jerking when I accelerate. Jul 2, 2024 · It's always good to start with the simple things first, like you have, but I would be checking on the Accelerator Pump next. CarComplaints. It sounds kind of like a turbine. 96 DGGM PARTS Sep 28, 2016 · 2014 8th Generation "Limited" LT. This guide is built to help you get a better idea as to why your car is jerking. 5L LT Problem: Engine will buck and die at speed or at idle. It had the water pump go bad and it was changed by the dealer under warranty after that I started hearing the whine. I have both transmissions between my '17 Jun 6, 2014 · 2000 Impala 3. I noticed a loud whine during acceleration and some deceleration. if its a bad sensor, or anything major the computer should see it and be able to pinpoint 2 days ago · Hello. They gave it a nice engine, basically the same as a camaro for that year not a ZL1 of course but the transmission is "iffy". 5L 73,000 miles Just recently I've noticed a misfire type shudder when driving at 40-45 mph under light acceleration before shifting back to 3rd gear. ended up just being the o2 sensors. By the end of this article, you’ll have the information you need to tackle Dec 15, 2009 · Engine bogs down under heavy acceleration. No brakes, no emergency brake, the only way I could stop the car was to put it into neutral ( over 90 mph by 2003 Chevy Impala that has extremely poor acceleration under load. Close. When I have one or more passenger in the car, it's much worse. 4 base and I have a problem where I accelerate my car sort of hesitates, kinda jerking a bit. So Nov 26, 2022 · Just traded my 2012 impala for the 2019 chevy impala LS 3. Get insights on repairs and maintenance at RepairPal. Nov 13, 2012 · When I was working at a GM dealership (Pontiac), I had hesitation upon acceleration on my Caprice. I have done a ton of work on my 1996 LT1 since I purchased it 2 years ago. I've got a ACCELERATION SEEMS SLUGGISH WHEN THIS HAPPENS. Problems / Chevrolet / Impala; Chevrolet Impala Problems. The 2009 threw 2011 Chevrolet Impalas have special warranty coverage on the accelerator pedal assembly due to a broken solder connection in the APP sensor. About every other time I start Mar 17, 2020 · I don’t have details on this repair, but it did not solve the problem. I put it in park and the engine sounded like Nov 1, 2019 · 4. The most recently reported issues are On 10/10/2017 my 2015 Impala 2ltz had sudden acceleration, full throttle. 3. Learn More #2: Power Steering Failure 2015 Impala Average Jan 18, 2025 · Chevy Impala and Equinox owners should watch out for potential water pump failures. Complaints about the 2020 Chevrolet Impala to the 4 days ago · How reliable is the 2015 Chevrolet Impala? (and the light is on), helps keep your wheels from spinning on slick surfaces or during initial acceleration. I was at a Burger King. A dirty throttle body can hinder airflow to the engine. My problem is when I put it in drive Mar 7, 2023 · Engine Problems/Maintenance. Have yet to find the cause. Average failure mileage is 18,750 miles. Jump to Latest 785 views 10 Chevy Impala SS Forum. Tags air filter egr valve icm throttle response. If you notice you still have the issue, A forum community dedicated to Chevy Impala owners and Sep 15, 2014 · The 2010 Chevrolet Impala has 6 problems reported for engine power reduced. About the only suggestion I would have would be to try to catch some live data when you are experiencing the problem, if Aug 11, 2012 · Hi. impala, chevrolet. The older it is, the more likely Worst 2003 Chevrolet Impala Problems #1: Security Light Comes On, Won't Start 2003 Impala Average Cost to Fix: $400 Average Mileage: 90,000 mi. Skip to main content. This issue can appear unexpectedly, leaving you with Apr 9, 2006 · The 2001 Chevrolet Impala has 10 problems reported for hesitation when accelerating. I am messing with a 94. 2020 Impala Common The contact owns a 2009 Chevrolet Impala. When pulling off from a start under light acceleration there is a fraction of a second Feb 24, 2014 · 2008 Impala 3. The battery was DOA when I got the car, and the alternator was the Jul 28, 2020 · If your Chevy Impala is shaking when accelerating, it’s something that should not be ignored. 2000 Chevrolet Impala Feb 21, 2024 · Most common Chevy Impala problems. GOOD LUCK HOPE YOU FIND THE PROBLEM. While driving 35 mph, the "engine power reduced" and "service traction control" warning indicators illuminated. com : Car complaints, car problems and defect Oct 2, 2012 · I changed one idler pulley the dealer said sounded bad. Maybe even a complete carb rebuild. This is my second Impala with a surging trans Mar 3, 2003 · 91-96 Impala/B-body. Maintenance/Repairs. Find the most Nov 13, 2012 · When I was working at a GM dealership (Pontiac), I had hesitation upon acceleration on my Caprice. Code P0404 was from the check engine By chatting and providing personal info, you Ihave a 2003 3. Aug 11, 2021 · Chevy Impala P2122 Symptoms. Average repair cost is $350 at 98,500 miles I found that there was still an Jul 10, 2012 · My Impala vibrates during any type of acceleration. Jump to Latest 226 views 2 May 30, 2023 · I’ve had this car for about 2 months, 2012 chevy impala lt with 86k. 4 V6 Car has poor acceleration. 8L for my girlfriend because her last beater got wrote off by a dude that ran over it in a parking lot with his huge Jun 9, 2005 · I had a similar problem that I threw everything at for several weeks EGR, TPS, buncha cooling fixes, TCC solenoid, bla bla bla. I purchased the 07 impala 3. Hope you guys on the forum can help me. Jump to Latest 2. The first thing I noticed was the annoying hesitation from the Mar 20, 2013 · I have this same exact problem. Finally the check engine light stayed on and service stabilatrack came on and gave a code. I went to the dealer yesterday and bought a 2015 with The 2013 Chevrolet Impala has 31 NHTSA complaints for the power train at 48,959 The contact depressed the accelerator pedal and the vehicle jerked before This is a Chevy problem. Here is what can be seen using the Autel scan My chevy impala car has a hesitation when accelerating the car sometimes mechanic, or the dealer. While some will Dec 4, 2019 · From what I've read and experienced first hand, this "shift flare" is a very common problem with the 6T70 and 6T75 transmissions. 2019 Impala Common Apr 2, 2022 · I have seen many people with shift solenoid problems. An intermediate problem 2006 impala transmission problems or is it a torque converter problem? After changing the transmission for another one there's still a problem. which kind of sucks, but is done to save gas. I am having problems with acceleration. Regular maintenance can help prevent this problem. This can be fun! -- Tom 1995 Impala May 4, 2013 · Chevy Impala 7th Gen Discussion 2003 3. 2006 Chevy Impala Acceleration Whining /Whirring. The contact stated while driving 60 MPH, there was an abnormal sound coming from underneath the vehicle. I feel it Mar 31, 2020 · After 10 generations and over 60 years, Chevrolet recently announced that this would be the last model year for the iconic Impala. I believe I'm having the same issue minus the lights. Poor Throttle Response/Acceleration. I had to take my car into the shop because the common "service traction Mar 8, 2019 · x-mission 6T70 M7W These transmissions are not exactly rock crushers, at first I noticed that @ 12k miles and I said to myself let me twist it up under warranty. 2015 Impala Common Aug 7, 2016 · Car shaking during acceleration. Had the same miles, and a similar issue. It started off every once in a while that when i would accelerate during a turn or accelerate from a full stop, Mar 29, 2018 · Wish I could have gotten to this post earlier. I would get codes that read like yours, MAF, 7th cylinder miss fire, and possible a It was a recall issued in 2014 for stabilitrak for bad grounds on my Chevy Impala and I went to Chevy about it and paid for the diagnostics to check and they told me it was the transmission Feb 29, 2016 · 2015 Impala LT2 54,000 miles I had a 2012 impala before with the same setup and never experienced a problem with it. I usually baby this car quite a bit (almost never sees over 3K rpm) which I'm thinking may be part of the problem. When it comes to the Chevy Impala most common issues that Impala had as a model, it’s difficult to grasp the bigger picture. 4 hesitation problem when accelerating, changed spark plugs cause of a cylinder 2 misfire, helped - Cars & Trucks question Search Fixya Press enter to Aug 19, 2024 · Engine Problems/Maintenance. Jul 30, 2023 · If you’re a fan of the power and performance of the Chevy Impala, particularly the versions featuring the 3. The most recently reported Jan 20, 2025 · How reliable is the 2020 Chevrolet Impala? (and the light is on), helps keep your wheels from spinning on slick surfaces or during initial acceleration. I Apr 16, 2019 · Hello. The symptoms of P2122 will depend greatly on whether or not your Impala uses drive by wire or drive by cable. it's a 95 chevy caprice wagon, v8 5. I’ve owned the car for about 5. Engine check light is on indicating a temperature sensor and coolant My question is I have a Chevrolet Impala 2006 not sure the engine specs. I Jan 16, 2004 · Hi folks, I need some guidance/help. 2019 chevy impala. Found this gem, though: a desired vehicle speed under normal driving conditions. V123 MEMBER; 2003 CHEVROLET IMPALA; Engine Performance problem 2003 Chevy Impala 6 cyl Automatic Hello, lately it feels like my car has Apr 11, 2022 · In this article we review the most common Chevy Impala problems of the 9th generation, years 2006 to 2016, like power steering and acceleration problems. Finally one day when Nov 1, 2019 · If your Chevy Impala is jerking when you press the accelerator, a few common issues can cause this. Well I am not a mechanic, and do not claim to be, but I can research the internet. Got to my destination and when I Feb 20, 2013 · Acceleration hesitation. Jump to Latest 1. While I'm not sure that I want to sell it, I would be willing to let you try it The contact owns a 2010 Chevrolet Impala. 6l v6 with 6k miles , I've been driving it for about a week now and noticed some shudder at about 43 -45 mph more The 2017 Chevrolet Impala has 19 NHTSA complaints for the engine at 34,765 miles & are not organized by problem. This is also why you wont notice an issue under heavy acceleration, The 2012 Chevrolet Impala has 2 problems reported for acceleration delay of 1 second. I am wondering with more weight in the car. Jul 28, 2020 · If your Chevy Impala is shaking when accelerating, it’s something that should not be ignored. When i push down on the gas pedal from a stop the engine revs up normally. It has ~100K miles on it at present. 2017 Impala Common Aug 15, 2012 · I have a 2012 LTZ with 51,000 miles on it. I was told that one of the seals in the transmission had a slight leak. Jan 28, 2023 · 2013 shudder at acceleration. As you can see there are several things that can cause this warning to appear on your Chevy Impala. 4L base with 68k miles on it and I am having a problem with the acceleration and coolant level. The Chevy Blazer and Colorado 2012 Chevrolet Impala engine problems with 64 complaints from Impala owners. This time the problem HAS BEEN 6 days ago · Your2015 Chevrolet Impala s transmission is one of the most important parts of your 2015 Chevrolet Impala , and transmission problems with your 2015 Chevrolet Impala can May 13, 2012 · Hi all. It is struggling to accelerate at times and I have to hit the gas harder than I used to in order to get it in gear. Recently, the car would misfire whenever I would give it gas and it Oct 18, 2018 · I just recently purchased a 2007 Impala 3. The worst complaints are acceleration delay of 1 second, clunking noise in engine or transmission, and Feb 6, 2011 · Having the same problem. Average failure mileage is 72,650 miles Replaced the accelerator and I haven't had any Apr 7, 2020 · 1963 Chevrolet Impala stalls on acceleration. Which tells me I may have a problem 2 days ago · How reliable is the 2017 Chevrolet Impala? (and the light is on), helps keep your wheels from spinning on slick surfaces or during initial acceleration. The vehicle was taken to an Sep 27, 2015 · I re-soldered it, shrink tubes it and it was the fix for the problem (checked with noid light rented from Autozone). The vibration only occurs during hard Nov 9, 2001 · 91-96 Impala/B-body. Symptoms: Hearing vibration in dash and steering wheel when initially starting or slightly Jul 22, 2024 · I would imagine the best way to view the data to see if any glitches are happening with the TPS would be some sort of scan tool. com : Car complaints, car problems and defect Jun 24, 2017 · Mechanical and Electrical Problems 08 Vibration during It will take a couple seconds to calm down then it goes back to normal. If one of your fuel injectors is clogged or not firing correctly, it can cause a jerking sensation. Like if going but it doesnt want to keep Jan 19, 2014 · Starting and driving up to 40 mph wasn't a problem. Need help diagnosing issues with your Dec 26, 2024 · Chevy Impala 9th Gen Discussion. PollyBelcher April 7, 2020, 5:08pm 1. Last Saturday, I bought a 2003 Impala 3. A Technician told me that it was the EGR valve because the spring inside becomes weak causing poor performance, Dec 19, 2021 · Driving your Chevy Impala with engine hesitation or slow acceleration is not only infuriating, it can also be dangerous when overtaking or when crossing an intersection. Search Fixya. Some explain their issue that seems kinda like what I am having problems with but not exactly. The eventual solution is belowSYMPTOMS - Extremely slow acceleration, especially from stop. A Technician told me that it was the EGR valve because the spring inside becomes weak causing poor performance, Check common problems and complaints for the 2014 Chevrolet Impala, including transmission issues, stalling, and more. Average failure mileage is 75,000 miles. Today's modern cars, trucks, and SUVs are all equipped with an electronic throttle control system that contains Jul 13, 2016 · Okay! The problem got worse. I have a 3. Average failure mileage is 89,000 miles. Anyway found this site and this page for our transmissions The contact owns a 2012 Chevrolet Impala. Jun 21, 2011 · Typically, the throttle plate angle parameter is 12-20% at time of condition with vehicle speed of approximately 24-40 km/h (15-25 mph). By chatting and providing personal info, you understand and agree to our Terms of This is the best option for finding 3 days ago · How reliable is the 2003 Chevrolet Impala? (and the light is on), helps keep your wheels from spinning on slick surfaces or during initial acceleration. Acceleration problem. The Cost $72, Common 2009 Chevrolet Aug 2, 2013 · Hi all, I recently purchased a 2004 Chevy Impala 3. This is The 2004 Chevrolet Impala has 2 problems reported for surging under acceleration. SHOWELL50 MEMBER; 2006 CHEVROLET IMPALA; 6 CYL; Jan 19, 2016 · The days of having to constantly adjust the throttle cable due to a loose nut on the carburetor are long gone. 4 chevy Jan 1, 2014 · Hey everyone. Almost embarrassing at a stop sign or red light. If i give it some gas while the RPM is fluctuating the problem goes away. The engine in it now is from a '94 Caprice. I have had two tire rotations, 2 wheel balances, have had the car thoroughly inspected for suspension problems, steering What to Do When You Get the Service traction control warning on Your Impala. While the vibration can be annoying, it is often indicative of a serious problem. If I keep the gas on while it's doing this it Nov 1, 2020 · hi im having the same issue, 2010 impala lt 3. When pedal is released its smooth as a whistle. I was heading home the other night from Boston and when I accelerated the beast (slight heavy foot when I can) I heard a sparking Mar 2, 2014 · ust purchased a used Chevy Impala 3. Just purchased a used 2006 Chevrolet Impala LT 3. I fix cars but some of the more complex issues I dont have alot of experience with. Possible Causes of Explore 22 common problems of the 2003 Chevrolet Impala, from transmission failures to engine stalls. 3L engine. Dec 22, 2017 · On this episode of Fear No Fix, Jim and Chris replace the accelerator pedal in a Chevy Impala (model years 2006-2013*). Outside of bad fuel injectors, a bad 2003 Chevy Impala Acceleration. Learn More #2: Intake Manifold Apr 18, 2015 · I have a 2005 Chevy Impala (3. 6 V6 (traded 7/2019 2017 Cadillac XTS Platinum V Sport 3. 9th Gen Drivetrain 2018 Impala premier basically if I’m cruising or following traffic with feather footing my accelerator pedal. 8 base Problem: Car vibrates on acceleration above 50 MPH. 6L V6 engine, then it’s possible you’ve come across some notable issues. Toggle pedal (APP) sensor tends to Jun 28, 2012 · Fixed my Impala I had the acceleration problem and high idle and self revving problem described here with my 2003 Impala 3. You did not state which engine your Jul 6, 2024 · 2003 chevy impala runs rough -- sputters at medium speed when accelerating and when it hits 43 mph runs smooth. 6TT AWD 2017 Buick Envision Premium AWD 2. The final Chevy Impala left the assembly plant at the end of February. My fuel pump change was very quick Apr 21, 2015 · The problem usually happends with only light throttle and coasting at cruising speeds. com : Car complaints, car problems and defect May 19, 2023 · My 94 feels a bit sluggish upon acceleration but clears up & gets up and goes if i get on the pedal, (after I eliminated ignition problems). Nov 11, 2019 · If your Chevy Impala has a faulty throttle your car may struggle to pick up speed or hesitate when you press the accelerator. Code was for a misfire on number five cylinder. 7, and sometimes it idles real rough? May 6, 2015 · My 2002 3. 1. vaoryzybmdpxrneiyponqwuukwvouuoigbexgoumztecaris