NHTSA owner reports · September 18, 2026 snapshot.
Engine complaints
134 reportsClear category filter138,000 miles · Aug 11, 2013
EnginePower Train
I HAD JUST STARTED MY 2008 CHEVROLET IMPALA LTZ AND WAS LEAVING WHEN THE SERVICE STABILITRAK WARNING CAME ON AND ENGINE POWER WAS REDUCED WARNING CAME ON. THE VEHICLE LOST POWER AND BEGAN TO JERK AS IT SHIFTED GEARS. UNFORTUNATELY, IT OCCURRED AT A TIME WHEN THE LOCAL CHEVROLET DEALER'S SERVICE DEPARTMENT WAS CLOSED AND ON THE …
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I HAD JUST STARTED MY 2008 CHEVROLET IMPALA LTZ AND WAS LEAVING WHEN THE SERVICE STABILITRAK WARNING CAME ON AND ENGINE POWER WAS REDUCED WARNING CAME ON. THE VEHICLE LOST POWER AND BEGAN TO JERK AS IT SHIFTED GEARS. UNFORTUNATELY, IT OCCURRED AT A TIME WHEN THE LOCAL CHEVROLET DEALER'S SERVICE DEPARTMENT WAS CLOSED AND ON THE WEEKEND. I'M HOPING TO GET THIS PROBLEM RESOLVED ON MONDAY AS THIS IS MY ONLY MODE OF TRANSPORTATION AND I'M 8 WEEKS FROM GRADUATING FROM COLLEGE!! IT WOULD SUCK IF I HAVE SPEND ALL THIS TIME AND MONEY IN GETTING MY EDUCATION ONLY TO FAIL DUE TO A VEHICLE BREAKDOWN THAT SEEMS TO BE AN ISSUE WITH THIS VERY MAKE AND MODEL. THIS COULD BE A VERY DANGEROUS SITUATION FOR ANYONE HAVING THIS PROBLEM WITH THEIR IMPALA. IT SHOULDN'T TAKE A LOSS OF LIFE OR INJURY, FIRE OR CRASH TO MAKE THE MANUFACTURER PLACE A RECALL ON THE FAULTY PART THAT IS CAUSING THIS. *TR
NHTSA ODI #10534706
133,566 miles · Aug 6, 2013
Electrical SystemEngine
THIS IS THE THIRD TIME I HAD TO FIX THIS PASSLOCK THING ON MY IMPALA AND IM GETTING SO SICK AND TIRED OF IT *TR
NHTSA ODI #10533866
139,423 miles · Jul 31, 2013
EngineVehicle Speed Control
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. *TR
NHTSA ODI #10532943
55,000 miles · Jul 15, 2013
Electronic Stability Control (esc)EngineVehicle Speed Control
A FEW MONTHS AGO, WHILE DRIVING MY VEHICLE THE SERVICE STABILITRAK WARNING CAME ON AND ENGINE POWER WAS REDUCED CAUSING A SAFETY HAZARD ON A BUSY ROAD. FOLLOWING INSTRUCTIONS FROM GM, MY MECHANIC CLEANED CONNECTIONS ON THE PEDAL RELAY. THE SAME PROBLEM OCCURRED THIS PAST SATURDAY WHILE DRIVING ON THE HIGHWAY, NEARLY CAUSING A CO…
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A FEW MONTHS AGO, WHILE DRIVING MY VEHICLE THE SERVICE STABILITRAK WARNING CAME ON AND ENGINE POWER WAS REDUCED CAUSING A SAFETY HAZARD ON A BUSY ROAD. FOLLOWING INSTRUCTIONS FROM GM, MY MECHANIC CLEANED CONNECTIONS ON THE PEDAL RELAY. THE SAME PROBLEM OCCURRED THIS PAST SATURDAY WHILE DRIVING ON THE HIGHWAY, NEARLY CAUSING A COLLISION. I HAVE BEEN TOLD THE REPAIRS TO FIX THIS ISSUE WILL RUN CLOSE TO $1,000. I HAVE ALSO READ MANY FORUMS ON THE INTERNET INDICATING THIS IS A CONSISTENT PROBLEM WITH IMPALA'S. IT IS MY BELIEF THAT THIS SHOULD BE ADDRESSED WITH A SAFETY RECALL. *TR
NHTSA ODI #10524817
135,007 miles · Jun 23, 2013
Electronic Stability Control (esc)EngineVehicle Speed Control
ON JUNE 22, 2012 AS I WAS DRIVING APPROXIMATELY 40 MPH, THE REDUCED ENGINE POWER AND TRACTION CONTROL MESSAGE POPPED UP ON THE DASH. I KNOW MY CAR SLOWED DOWN A LOT AND THEN PICKED UP SPEED AGAIN. I NOTICE THAT EACH TIME I PRESSED ON THE PETAL TO STOP AT A LIGHT OR STOP SIGN THE CAR WOULD JERK FORWARD. I DID NOT THINK TOO MUCH O…
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ON JUNE 22, 2012 AS I WAS DRIVING APPROXIMATELY 40 MPH, THE REDUCED ENGINE POWER AND TRACTION CONTROL MESSAGE POPPED UP ON THE DASH. I KNOW MY CAR SLOWED DOWN A LOT AND THEN PICKED UP SPEED AGAIN. I NOTICE THAT EACH TIME I PRESSED ON THE PETAL TO STOP AT A LIGHT OR STOP SIGN THE CAR WOULD JERK FORWARD. I DID NOT THINK TOO MUCH OF IT UNTIL MY HUSBAND THEN DROVE IT AND SAID THE SAME THING HAPPENED TO HIM AND THE CAR WAS DRIVING REALLY ROUGH. I DID SOME RESEARCH AND SEE THAT LOTS OF CHEVY OWNERS HAVE BEEN EXPERIENCING THE SAME PROBLEM. PLEASE ENFORCE A RECALL AS THIS IS NOT SAFE ESPECIALLY WHEN YOU ARE DRIVING ON A FREEWAY. *TR
NHTSA ODI #10521299
157,991 miles · Jun 18, 2013
EngineVehicle Speed Control
AS I WAS DRIVING, ALL OF A SUDDEN THE SERVICE TRACTION CONTROL LIGHT CAME ON AND THEN ENGINE POWER REDUCED LIGHT CAME ON. THIS CAUSED MY CAR TO SLOW DOWN WITHOUT WARNING WHICH COULD HAVE BEEN A DANGEROUS SITUATION HAD I BEEN ON A BUSY HIGHWAY WHICH FORTUNATELY I WASN'T. I READ UP ON THIS AND NOTICED THAT THIS IS HAPPENING QUITE …
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AS I WAS DRIVING, ALL OF A SUDDEN THE SERVICE TRACTION CONTROL LIGHT CAME ON AND THEN ENGINE POWER REDUCED LIGHT CAME ON. THIS CAUSED MY CAR TO SLOW DOWN WITHOUT WARNING WHICH COULD HAVE BEEN A DANGEROUS SITUATION HAD I BEEN ON A BUSY HIGHWAY WHICH FORTUNATELY I WASN'T. I READ UP ON THIS AND NOTICED THAT THIS IS HAPPENING QUITE OFTEN AND THIS SHOULD REALLY BE REMEDIED BEFORE AN UNFORTUNATE DEATH OR INJURY OCCURS FROM THIS. *TR
NHTSA ODI #10520470
60,000 miles · Jun 18, 2013
EngineVehicle Speed Control
I HAVE A 2008 CHEVY IMPALA. STARTING LAST MONTH (MAY 2013) THE SERVICE TRACTION LIGHT AND REDUCE ENGINE POWER LIGHTS STARTED COMING ON. I TOOK IT BACK TO THE PLACE WHERE I PURCHASED THE VEHICLE AND IT CAME BACK THAT IT WAS THE ACCELERATOR PEDAL. IT WAS REPLACED AND 5 DAYS LATER THE LIGHTS WERE BACK ON AGAIN. I CALLED THE SHOP AN…
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I HAVE A 2008 CHEVY IMPALA. STARTING LAST MONTH (MAY 2013) THE SERVICE TRACTION LIGHT AND REDUCE ENGINE POWER LIGHTS STARTED COMING ON. I TOOK IT BACK TO THE PLACE WHERE I PURCHASED THE VEHICLE AND IT CAME BACK THAT IT WAS THE ACCELERATOR PEDAL. IT WAS REPLACED AND 5 DAYS LATER THE LIGHTS WERE BACK ON AGAIN. I CALLED THE SHOP AND THEY TOLD ME TO BRING IT BACK TO THEM ON MONDAY BECAUSE THEY WERE CLOSED SATURDAY AND SUNDAY. I TOOK THE CAR BACK TO THE SHOP AND THE LIGHTS WEREN'T ON. THEY TOLD ME THAT THEY COULD NOT GET A READING ON THE CAR AND TO COME PICK IT UP. I DROVE OFF THE LOT AND 3 DAYS LATER THE LIGHTS WERE BACK ON. THIS HAS HAPPENED EVERY WEEK SINCE THEY REPLACED THE ACCELERATOR PEDAL. WHEN I TOOK IT IN INITIALLY THEY SAID IT WAS EITHER THE ACCELERATOR PEDAL OR THE THROTTLE. ON FRIDAY JUNE 14TH THE CAR STOPPED THE SERVICE TRACTION SYSTEM LIGHT, REDUCED ENGINE POWER LIGHT AND STARTING DISABLED SERVICE/CHECK THROTTLE LIGHT CAME ON AND THE CAR STOPPED. IT WAS STILL RUNNING BUT WHEN I PRESSED THE ACCELERATOR PEDAL IT WOULD NOT MOVE. I CUT IT OFF AND SAT FOR ABOUT 10 MINUTES. I STARTED IT AND DROVE STRAIGHT TO THE LOT IT WAS FRIDAY AT 4:45 PM THEY CLOSED AT 5:00 THE GUY SAID BRING IT BACK MONDAY (WOW REALLY). I PARKED THE CAR AGAIN ALL WEEKEND DIDN'T START IT UNTIL MONDAY. THE LIGHTS WERE OFF WHEN I GOT IN IT ON MONDAY AS SOON AS I BACKED OUT OF MY DRIVE WAY THE LIGHTS POPPED BACK ON AND IT WOULD ONLY GO 40 MPH. LUCKILY THE PLACE IS ABOUT 3 MILES FROM MY HOUSE WHEN I GOT THERE THEY WEREN'T OPEN YET SO I SAT THERE. WHEN THEY FINALLY OPENED I DROVE IN AND TOLD THE GUY WHO I WAS. THE DROVE THE CAR AROUND SEVERAL TIMES AND COULD NOT GET THE LIGHTS TO COME BACK ON. IT IS NOW TUESDAY AND I STILL DON'T HAVE MY CAR BACK. THEY SAY THAT THEY TOOK IT TO THE DEALERSHIP TO HAVE THEM LOOK AT IT. I'M NOT SURE WHAT TO DO AT THIS POINT I NEED MY CAR TO GET BACK AND FORTH TO WORK. *TR
NHTSA ODI #10520429
78,006 miles · Jun 17, 2013
Engine
I WAS MAKING A LEFT HAND TURN. I SLOWED TO TURN. A CAR WAS COMING BUT FAR AWAY. THE "REDUCED ENGINE POWER" LIGHT CAME ON AND I HAD MINIMAL POWER TO COMPLETE THE TURN AND WAS NEARLY STRUCK IN THE SIDE. I HAD THE DECREASED POWER, ONLY AFTER COMPLETING MY TURN DID I STOP AND NOTICE THE LIGHT HAD COME ON. MY CAR HAS SIGNIFICANT…
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I WAS MAKING A LEFT HAND TURN. I SLOWED TO TURN. A CAR WAS COMING BUT FAR AWAY. THE "REDUCED ENGINE POWER" LIGHT CAME ON AND I HAD MINIMAL POWER TO COMPLETE THE TURN AND WAS NEARLY STRUCK IN THE SIDE. I HAD THE DECREASED POWER, ONLY AFTER COMPLETING MY TURN DID I STOP AND NOTICE THE LIGHT HAD COME ON. MY CAR HAS SIGNIFICANTLY DECREASED POWER AND ACCELERATION. IT IS INTERMITTENT. I HAD A VERY UNSAFE DRIVE BACK HOME. I WISH I WOULD HAVE HAD IT TOWED BECAUSE IT WAS INTERMITTENT DECREASE OF POWER. *TR
NHTSA ODI #10520288
60,000 miles · Jun 9, 2013
Electrical SystemEngineFuel/propulsion System
OUT OF NOWHERE MY DOOR LOCK ACTUATORS FOR ALL THREE PASSENGER DOORS ARE NOT WORKING NEITHER IS MY TRUNK OPENING AND TO MAKE IT WORSE IM SITTING IN MY JOB PARKING LOT WITH THE A/C ON WAITING FOR MY BREAK TO BE OVER AND ALL OF A SUDDEN MY CAR STARTS BLOWING AIR FROM THE OUTSIDE INSIDE THE CAR AND I LOOKED AT MY DASH AND MY TEMP LE…
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
NHTSA ODI #10515896
71,500 miles · May 29, 2013
EnginePower TrainVehicle Speed Control
ON 4/28/13, WHILE TURNING INTO CHURCH PARKING LOT, TRACTION CONTROL AND CHECK ENGINE LIGHTS CAME ON. COMPUTER CHECK THE NEXT DAY SHOWED CODE 2127. THE COMPUTER WAS CLEARED AND THIS PROBLEM CODE DID NOT REAPPEAR. ON 5/28/13, WHILE DRIVING ON A FLAT COUNTRY ROAD AT ABOUT 50 MPH, TRACTION CONTROL AND CHECK ENGINE LIGHTS AGAIN …
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ON 4/28/13, WHILE TURNING INTO CHURCH PARKING LOT, TRACTION CONTROL AND CHECK ENGINE LIGHTS CAME ON. COMPUTER CHECK THE NEXT DAY SHOWED CODE 2127. THE COMPUTER WAS CLEARED AND THIS PROBLEM CODE DID NOT REAPPEAR. ON 5/28/13, WHILE DRIVING ON A FLAT COUNTRY ROAD AT ABOUT 50 MPH, TRACTION CONTROL AND CHECK ENGINE LIGHTS AGAIN CAME ON. I HAD TO DRIVE APPROX. 20 MILES TO GET BACK TO MY MECHANIC. PART OF THE COMPUTER RESPONSE DURING THE THIS TIME WAS TO REDUCE ENGINE POWER. THIS WAS NOTICEABLE ON ANY MINOR HILL. AGAIN, MY MECHANIC CHECKED THE COMPUTER DIAGNOSTIC AND SAID CODE 2127. I TOOK MY CAR TO MY DEALER 5/29/13 AND THEY REPLACED THE ACCELERATOR PEDAL ASSEMBLY. *TR
NHTSA ODI #10514023