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Check Engine Light On Problems of Chevrolet Impala



Chevrolet Impala owners have reported 54 problems related to check engine light on (under the engine and engine cooling category).

car image   Check Engine Light On problem of the 2009 Chevrolet Impala 1
Failure Date: 08/30/2014

I cranked my 2009 Chevrolet Impala leaving a nearby gas station and the message service traction control flashed, then engine power reduced, and the check engine light came on. My car drove sluggish home at a very slow speed. Luckily I was only about 5 minutes from home. The next morning no message was displayed and the check engine light went off. I took it to advance auto parts and the code p2127 was displayed twice - throttle pedal position sensor. I see most of these complaints are similar to mine I just happen not to be on the highway. Is gm investigating this because this is serious with multiple occurrences?.

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car image   Check Engine Light On problem of the 2009 Chevrolet Impala 2
Failure Date: 06/14/2014

I am complaining about an incident that happened to me on Saturday, June 14th 2014. I was driving about 70 mph (I have a 2009 Chevrolet Impala) when my check engine light came on. Not long after that did I notice that my engine had shut off and my power steering had went out. Come to find out today (6/17/2014), gm had an ignition recall. Since the same exact description happened to my vehicle I thought for sure that it was under the recall. I tried to call my local dealer to get it resolved, and shockingly my car did not have a recall under it. I tried to call gm directly and tell them what happened to me, but they said that they could not help me being that my car was not under the recall. My concern is that gm is not taking full responsibility for all of these incidents. Its just not right, its not good business on their behalf, and its not ethical. If any of my driving conditions had been different, I could have been involved in a lethal accident. Not only does it pose a threat to myself, but if I had other passengers in my vehicle and also other drivers on the road. Something has to be done about this and gm needs to take full responsibility for the faults that they produced.

car image   Check Engine Light On problem of the 2007 Chevrolet Impala 3
Failure Date: 06/13/2014

While driving car started to jerk and hesitate the check engine light came on along with a message of reduced engine power. Could not drive the drive over 5 mph. Was able to get to the side of the road. Had to push the car into a parking lot as the engine will no longer start but cranks over fine. Had to buy a scanner to read the code because the car was not able to drive to a auto repair shop or auto parts store to read the codes. The po641 code was set. Checked and tested the sensor wires for the 5volts every one that I tested showed ok. Replaced the gas pedal assemble because of the code that could be a source of the problem no difference. Cleaned the throttle body unit no change car will not start. Checked and gave all the wires a good pull and or tug to wiggle the connectors and took apart all sensor connections no corrosion was found. All grounds appear to be good. No broken wires are found no blown fuses were found. After 2 days was able to start engine with the message reduced engine power and car died again and would restart but not idle. Was able to rev engine and keep it running but once it idled it would die and sometimes not restart again. At this time car is unsafe to operate on any roadway because it might die and random times.

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car image   Check Engine Light On problem of the 2009 Chevrolet Impala 4
Failure Date: 05/30/2014

One day before I was to take a vacation from missouri to texas, my check engine light came on. My mechanic told me the code had something to do with a fuel canister, but it shouldn't pose a problem. As I was driving 75 mph on the highway inside the texas state line, after 7 hours of driving, mostly in rain all day, the car started doing a jerking type action & then my traction control light came on, w/a warning msg saying, "service traction control; engine power reduced. " going 75 mph I lost all control! no lights, no a/c (which is a separate, loud, clicking issue I could address), no power steering, no power brakes! I had all I could do to just point my car to the side of the road & coast to a stop, in the middle of nowhere w/out a service station in sight! I tried 3x to restart the vehicle to no avail. As I sat there in bewilderment & fright of what just happened, I contemplated what to do. After about 5 minutes, I decided to try & start it 1 more time. This time, it started up. However, the check engine light & the service airbag light (again, another issue I've had with the vehicle since the day I purchased it) were still lit up but the traction control light & the warning messages had gone off. I continued to my destination & the following day (Saturday) I took the vehicle to the local gm dealership where they proceeded to do a diagnostic test &, of course, "could not replicate the problem," therefore they could not "find anything wrong. " they gladly depleted my vacation expenses of $100 & sent me on my way with a reassurance that "if it happens again while you're here, come back by & we will test it again but we won't charge you for it. " how nice of them. :{ gm seems to enjoy doing that. And the NHTSA doesn't seem to want to take the initiative to investigate this prevalent problem w/these cars. If something bad happens, I'll sue the pants off of them.

car image   Check Engine Light On problem of the 2008 Chevrolet Impala 5
Failure Date: 05/09/2014

Our 2008 Impala LS, with 100,000 miles, is having the same problem I am seeing at this web site and all across the internet. Last month, may, 2014, and this month, June, 2014, there was a sudden reduced power alert on the dashboard and the check engine light came on. The speed immediately dropped to no more than 35 mph. Before I could get it to advance to have them check to see if any codes had been dropped by the computer, the check engine light went off. There was no reduced power message either, and the speed returned to normal. I was told to try fuel injector cleaner, which I did. All went well for almost a month, when the same thing happened again this month. This time I was able to get it to advance with the check engine light still on. The computer had dropped 2 codes, both related to the accelerator pedal position sensor. Advance did not have the part, nor did autozone. Fortunately, napa did, for $90, including tax. Our local chevy dealership wanted $50 more. Since it is a very easy part to replace even for an amateur like me, I replaced it. There are only 2 10 mm bolts to remove and an electrical connection to unplug. So it was pretty simple, and so far, this has done the trick, but it's only been 24 hours. This apparently is a job that the dealerships want to charge $300 to $400 to do. As I said, this is a widespread problem for gm, and they have not and will not, so far, do a recall. They should. I'm only out $90 so far, but other people are out much more. If I have the dreaded, follow-up problem with the the throttle body, I will be out a whole lot more. I sent an e-mail to Chevrolet after the first instance, and did get a response back. I told him I didn't want to take any further action unless this happens again. I will be contacting him again now about this latest incident.

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car image   Check Engine Light On problem of the 2007 Chevrolet Impala 6
Failure Date: 05/01/2014

Tl- the contact owns a 2007 Chevrolet Impala. The contact stated while driving 30mph, the vehicle loses power and the check engine light and service traction light illuminates on control panel along with jerking in the process of accelerating. The vehicle was taken into the dealer a diagnostic test was perform, the dealer stated that the cam shaft actuator needed replacing. The manufacturer was notified of the failure. The failure mileage 138,000. Lnc.

car image   Check Engine Light On problem of the 2011 Chevrolet Impala 7
Failure Date: 04/26/2014

I was driving and suddenly the car lurched and the check engine light came on as well as messages that said, "reduced engine power, check stabilitrak and service traction control". I made it home and parked the car in the driveway for a day and a half and when I started it again, the messages were gone but the engine light was still on. I brought it to my local dealer and when they checked it, it came up stored code p2122- accelorator pedal sensor. I have had this car 6 months and it only has 42426 miles on it and now I've had to spend over $300 on a repair. It is ridiculous that this sensor failed already. After doing some research, I found that this is a common problem with many people experiencng the same thing. Gm should be forced to fix this issue and reimburse all of us who have had to pay to fix their mistake. They are obviously using inferior parts and their consumers are paying the price. It's no wonder the american car market needed a bailout when their parts don't last 40,000 miles.

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car image   Check Engine Light On problem of the 2007 Chevrolet Impala 8
Failure Date: 04/22/2014

I was driving to work and a message popped-up "reduced engine power" my speed was quickly reduced from 45 mph to 20 mph. I immediately pulled over luckily I was not hit by another vehicle. The check engine light remains on in the vehicle. I had the vehicle diagnosed and was told the throttle sensor need to be replaced. This is a dangerous issue that gm need to address. Numerous of Impala owners have filed complaints, but have been ignored. I feel as though gm should recall the vehicles and fix the defects. . . This is putting me, my children, and many others at risk. Please help with this issue.

car image   Check Engine Light On problem of the 2011 Chevrolet Impala 9
Failure Date: 03/26/2014

The contact owns a 2011 Chevrolet Impala. The contact stated while traveling various speeds, the check engine light illuminated and the vehicle lost acceleration power. The vehicle was taken to the dealer who stated that the speed sensor failed. The vehicle was repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 40,000. The VIN was unavailable.

car image   Check Engine Light On problem of the 2011 Chevrolet Impala 10
Failure Date: 03/04/2014

As I was driving down the road my car lost speed drop from 35 mph to 20 mph, the check engine light came on and the triangle with the car and skid marks then it kept flashing the service stabilitrack control, engine power reduced, and service traction control and it started to jerk and jump. I have been having major issues out of this car first it was the right hub (eating tires), then the left hub (eating more tires), then the transmission and gear shift completely gone (replaced everything) now this plus the front tires are still getting ate up. This is an ongoing problem with this chevy Impala. I am so ready to get a Honda. As I see there are other owners that are having similar problems. Why isn't it a recall on these problems? nobody likes too loose their money for something that should have been taken care of by gm in the first place. What will gm do if all customers protest about these issues that should be recalled on whether its for the public, private, or government sector?.


 
car image   Check Engine Light On problem of the 2006 Chevrolet Impala 11
Failure Date: 02/15/2014

Going 55 mph car suddenly dropped to 35 mph almost got rear ended by cars behind me. Dash lights came on service traction control , engine power reduced, check engine light came on, cruise control not working. Had some work done at Chevrolet dealership 100 miles ago so maybe something they did wrong. But I see there are many complaints and dangerous situations caused by this very same message. Someone is going to get hurt or killed by this sudden deceleration with no warning.

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car image   Check Engine Light On problem of the 2006 Chevrolet Impala 12
Failure Date: 01/08/2014

The contact owns a 2006 Chevrolet Impala. The contact stated while driving 55 mph, the engine power reduce light and the check engine light illuminated as the vehicle slowed down independently. The vehicle was taken to the dealer for inspection but they could not determine the cause of failure. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 94,000.

car image   Check Engine Light On problem of the 2010 Chevrolet Impala 13
Failure Date: 01/08/2014

This has been happening at least once a week for the last 2 months. I go to start my car in the morning and it has the check engine light on and traction control light and is giving me messages of engine power is reduced, service traction control, service stabilitrak. The car still drives when this is on, but its really doggie, and shifts hard.

See all problems of the 2010 Chevrolet Impala.

car image   Check Engine Light On problem of the 2011 Chevrolet Impala 14
Failure Date: 12/23/2013

I started my car after a cold night and immediately got a "service stabilitrak", "engine power reduced", and "service trance ion control" messages. The car had an extremely rough idle and then would not accelerate to more than 25 mph. I returned home and made an appointment at the dealership. Later, I was ready to take the car into the dealer and it started fine with no error messages or check engine light. I called the dealer and they said it must have been a computer error that fixed itself. Well, it's a week later now and I am having the issues again except restarting the engine does not fix it anymore. This is a serious issue and needs to be resolved by gm and not cost the many people experiencing this issue hundreds of dollars to fix!.

car image   Check Engine Light On problem of the 2010 Chevrolet Impala 15
Failure Date: 12/17/2013

Tl- the contact owns a 2010 Chevrolet Impala. The contact stated that the check engine light illuminated on her instrument panel and the vehicle stalled. The vehicle was taken to the dealer where the technician diagnosed the evaporated vent needed to be replaced. The evaporated vent and the accelerated pedal was repaired on the vehicle. The manufacturer was not made aware of the failure. The failure mileage was 76,964 and the current mileage was 78,968. Sr.

car image   Check Engine Light On problem of the 2009 Chevrolet Impala 16
Failure Date: 12/05/2013

I started my car and the check engine light and the service traction control lights both came on. My back tires then began to spin when driving and the car made a scary noise.

car image   Check Engine Light On problem of the 2010 Chevrolet Impala 17
Failure Date: 11/26/2013

Every other week or so I get the "engine power reduced/ service stabiltrack/ service traction control" and the car will loose power. After an hour or so of sitting with the car off, it resets and the check engine light stays on until that eventually also resets. Today I was driving the same trouble codes came on and the car completely lost power I had no ability to accelerate, the power steering was disengaged it also mentioned something about the throttle body this time. Luckily I pulled into a nearby parking lot and the car reset after sitting for about an hour. This warning light and the reduced engine power has been an ongoing issue but I never lost complete power to the engine and steering light until today. This is an unacceptable issue that is ongoing with many gm owners. There needs to be a recall immediately!.

car image   Check Engine Light On problem of the 2010 Chevrolet Impala 18
Failure Date: 11/26/2013

The check engine light came in, then the stabilitrak light came on, then engine power reduced car stopped in the middle of traffic, could have been fatal. Waited car powered back on. A known issue in this model.

car image   Check Engine Light On problem of the 2010 Chevrolet Impala 19
Failure Date: 11/01/2013

At the time of the first incident traction control light came on the low engine power light came on . Speed dropped down to 15 mph. Had to pull over turn car off . Then restarted it again it was fine for a month . It repeated same problem. Now check engine light stays on . Hdhad code read saying throttle cable and traction control. To me that is a serious issue. This is something that needs to be addressed. Highway driving this problem could cause an accident . I can see this has been a issue with general motors with Impalas and other models since 2008. How many of the same complaints would it take until its fixed . Complaints keep coming up after throttle bodies replaced still having same problems. General motors needs to get with the program.

car image   Check Engine Light On problem of the 2008 Chevrolet Impala 20
Failure Date: 10/01/2013

Tl- the contact owns a 2008 Chevrolet Impala. The contact stated while driving 50mph, her vehicle engine shut completely off with out warning. The contact stated her, traction control, check engine light and a message that stated reduce traction control illuminated on her control panel. The vehicle was taken into (price Chevrolet) in pleasanton texas. The dealer stated they would need to perform a diagnostic test in order to find diagnose the problem. The vehicle had not been repaired at this time and the problem had not been diagnosed. The failure mileage was 73,000. Lnc.

car image   Check Engine Light On problem of the 2010 Chevrolet Impala 21
Failure Date: 09/26/2013

2010 chevy Impala. Consumer writes in regards to vehicle engine problems. The consumer stated while driving home, the traction control and check engine light illuminated. The engine cut off, and the consumer lost power steering. He was able to coast off the road, and after a few minutes, he re-started the engine.

car image   Check Engine Light On problem of the 2011 Chevrolet Impala 22
Failure Date: 09/12/2013

On my way to work: on highway all lights came on service traction control, service stabilitrak and engine power is reduced, and my check engine light came on as well.

car image   Check Engine Light On problem of the 2011 Chevrolet Impala 23
Failure Date: 08/22/2013

While leaving from work I made a left turn onto a busy highway and my service traction control light, reduce engine power, and check engine light came on. Pulled over and car was wanting to turn off. Turned off car and service traction control light goes off but check engine stays on. Came home googled what could be the cause and see that many Impalas owners are having the same trouble. . . I see a lawsuit happening if gm does not recall this!.

car image   Check Engine Light On problem of the 2009 Chevrolet Impala 24
Failure Date: 08/14/2013

Three times now this has happened. The first time I was driving down a main street at about 35 miles per hour and all of a sudden my service traction control light came on and the wording was displayed, as well as my check engine light came on and the wording "engine power reduced" was displayed. About a month later, I was leaving a parking lot when the same thing happened and then again four days later I was merging onto a highway and the same thing happened. When I try to accelerate, it sounds like something is going to fall out of the bottom of my car. After reading the other complaints, I don't understand why this isn' being taken care of by the company and left up to the car owner to deal with. It is very unsafe and I can't afford to get a different car nor pay for expensive repairs that are beyond my control or fault.

car image   Check Engine Light On problem of the 2008 Chevrolet Impala 25
Failure Date: 08/01/2013

Frequently, service traction control and engine power is reduced lights come on. When this happens, car is sluggish and will not accelerate. This is very dangerous because it happens unexpectedly and causes vehicle to decelerate quickly. Typically the car will start normally after sitting for 15-30 minutes but check engine light remains on for some time. Also, the message engine hot/ac off fires randomly. Temperature gauge rests at zero. It will start working again either through manual reset by removing battery cables and reconnecting or randomly start working again on its own. There are numerous reports of both issues on the internet which indicate replacement of sensors/throttle are very expensive and do not fix the issues.

car image   Check Engine Light On problem of the 2008 Chevrolet Impala 26
Failure Date: 07/31/2013

I was just driving and the check engine light popped on. In the message box it said engine power reduced, and the traction control light also came on. I have no idea what's going on. I couldn't pick up speed, when I tried to it would jerk. I've never had any problems out of my car until now.

car image   Check Engine Light On problem of the 2008 Chevrolet Impala 27
Failure Date: 06/05/2013

I was driving about 50 miles an hour and "service traction control" and "reduced engine power" lights came on. I slowed down to 40 and was trying to merge into traffic and the car downshifted really hard and died. Right as it died another light came on, something about the throttle. I was on a 4 lane bridge during rush hour. Had the car towed to the local chevy dealer. When they got it, it started right up, but the check engine light was on. They had the car for 3 days and could find nothing wrong with it. Since then it has happened 5 more times.

car image   Check Engine Light On problem of the 2008 Chevrolet Impala 28
Failure Date: 05/14/2013

I was driving when vehicle lost power and car shut off. I put the car in neutral and restarted the motor and this has happened on a few occasions. More recently, at times car will not turn over or crank and the check engine light comes on. Then suddenly the car cranks and after some time has passed the check engine light shuts off. I took the car to the dealership and they told me it was the battery. I replaced the battery at the dealership but it still does the same thing. I took the car back to the dealership but the dealership said they could not find the problem. So I took the car to another mechanic and he told me it was the ignition 1 switch circuit 2 (code p1682).

car image   Check Engine Light On problem of the 2009 Chevrolet Impala 29
Failure Date: 04/24/2013

While merging onto a two lane highway my Impala suddenly lost power and I received a "low engine power" warning and then " service traction control" the check engine light comes on and the car runs roughly at reduced power - you need to pull over and shut the car off until you can start it again. This is a very dangerous issue that gm refuses to acknowledge. In this instance I had my daughter in the car - I also lost the power brakes. I have been to two Chevrolet dealers and a Buick dealer because this has happened several times over the past year and a half. They replaced my throttle body, oil sensor, battery and something else and charged me over $2000 for the three visits and I am still experiencing the issue. I have also been to a local repair shop and had the wiring harness changed and had several diagnostics done. After all this the problem still exists. I normally don't write letters but, this is a very dangerous situation and many others are experiencing the same thing based on the message boards I have read. My concern is that gm refused to help or issue a recall. My fear is that someone gets seriously hurt or killed before gm answers for this. This is not good for gm. My hope is that someone finally addresses this issue before someone is killed. In my last communication with gm - I was told to take my car to a dealer for a diagnostic at my own expense. So, basically I am on my own and they offered to do nothing. Just not right!.

car image   Check Engine Light On problem of the 2010 Chevrolet Impala 30
Failure Date: 04/16/2013

Riding along at 70 mph taction control light and check engine light comes on. Computer says engine speed is reduced. Drove two more miles to pull over safely but car cut off and computer says engine start is disabled and car would not restart until I unhooked battery. Not real fun with rush hour in st. Lewis. Glad I was not ass ended.

car image   Check Engine Light On problem of the 2009 Chevrolet Impala 31
Failure Date: 03/21/2013

Turned car on and the check engine light came on. Took to mechanic who said it was the air injection seloniod valve and that it is such a common part replacement on these models that they keep the exact part in stock! they want over $400 to repair.

car image   Check Engine Light On problem of the 2009 Chevrolet Impala 32
Failure Date: 03/15/2013

Driving on freeway, check engine light come pn. . . Few miles on freeway car jerk. . . Message on dash engine power loss then throttle body disabled the engine shuts off while im driving 60 mph. . . 18 wheeler blind me so I swerve off freeway due to steering wheel hard to turn. . . I sit on side of freeway f 10 minutes. . . Turn key and no sound. Car will not start. . . Call friend for help. After 30 minutes car starts I could have been killed with car shutting down on freeway. . . Gm fix issues. Or pay big later. . Death trap.

car image   Check Engine Light On problem of the 2010 Chevrolet Impala 33
Failure Date: 02/15/2013

Tl- the contact owns a 2010 Chevrolet Impala. The contact stated that while traveling 55 mph, the traction control and check engine warning lights illuminated on the instrument panel as the vehicle stalled. The failure recurred also when using cruise control function at various speeds. The contact took the vehicle to a mechanic and was awaiting diagnosis of the failure. The failure mileage was unknown, but the current mileage was 63,000. Kmj.


Other Common Engine And Engine Cooling related problems of Chevrolet Impala