There are 32 owner-reported engine complaints for the 2011 Chevrolet Impalain NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The car was purchased 06/23/2021. Approx 2 weeks or less later the car had to be taken to the shop where it was purchased at due to the engine going in the car. There have been 3 loaner cars given while car is being fixed however after now 4 months the car is still just sitting at the shop where it was purchased at without the engine being replaced or repaired. There is a loan on this vehicle and it is very unfair that the loan has to continue to be paid for when the car is not in possession of the owner. I do not want the car back at this point because it is now out of warranty and has been sitting for a long time without being fixed. I have called many times and have been getting the run around. Now the owner of the shop or workers will not answer my phone calls. My name is [XXX] my contact information is [XXX]. I am helping my son out because he is and have been getting the runaround since he purchased this vehicle from Ecars. INFORMATION Redacted PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).
I WAS DRIVING AND A PART IN MY A/C BEGAN CLICKING LOUDLY, THEN THE AIR SHUT OFF COMPLETELY AND STARTED SMOKING. A LOUD NOISE CAME FROM WHERE THE A/C BLOWER MOTOR IS AND WITHIN MOMENTS THE ENTIRE CAR WAS ENGULFED IN FLAMES.
TL* THE CONTACT OWNS A 2011 CHEVROLET IMPALA. WHILE DRIVING AT 50 MPH THE VEHICLE STALLED. THE STABILIZER TRACTION CONTROL AND ENGINE POWER REDUCED WARNING LIGHTS WERE ILLUMINATED. THE VEHICLE WAS TOWED TO CONTACT'S RESIDENCE. THE LOCAL DEALER AND MANUFACTURER WERE NOT CONTACTED. THE FAILURE MILEAGE WAS 68,000.
GET AN ERROR OUT OF NOWHERE STATING SERVICE STABILITRACK, LOSS OF ENGINE POWER.
TL* THE CONTACT OWNS A 2011 CHEVROLET IMPALA. WHILE DRIVING VARIOUS SPEEDS, THE ENGINE WARNING INDICATOR ILLUMINATED AND A BEEPING SOUND WAS HEARD. THE ENGINE POWER REDUCE WARNING MESSAGE ALSO DISPLAYED. THE VEHICLE WOULD DECELERATE, BUT ONCE THE VEHICLE WAS POWERED OFF AND RESTARTED, THE ISSUE WOULD BE CORRECTED. THE CONTACT STATED THAT THE FAILURE OCCURRED AT ANY TIME. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE VIN WAS UNKNOWN. THE FAILURE MILEAGE WAS 112,000.
THE ENGINE SPUTTERS AND BOGS DOWN. I HAVE SPENT OVER $300 TRYING TO FIGURE IT OUT, AND NO ONE CAN BECAUSE THERE IS NO DASHBOARD LIGHT THAT COMES ON. IT HAPPENS MAINLY AT A SLOW RATE OF SPEED.
TL* THE CONTACT OWNS A 2011 CHEVROLET IMPALA. THE CONTACT STATED THAT THE ENGINE WOULD SHAKE WHEN ATTEMPTING TO START. THE ENGINE POWER REDUCE, SERVICE TRACTION CONTROL AND SERVICE STABILITRAK WARNING LIGHTS ILLUMINATED. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE THROTTLE BODY SENSOR NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED HOWEVER THE FAILURE RECURRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 83,679. MA 10/8 *CN
WHILE DRIVING MY CAR STARTED HESITATING. THE WHEEL TRACTION AND ENGINE LIGHT CAME ON, IT HAD THREE MESSAGES COME UP STATING ENGINE LOSING POWER,TRACTION STABILITY NEEDED I CAN'T RECALL THE LAST MESSAGES. IT COMES AND GOES ON AND OFF. *TR
TL* THE CONTACT OWNS A 2011 CHEVROLET IMPALA. THE CONTACT STATED THAT THE CHECK ENGINE WARNING LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO A DEALER FOR DIAGNOSTIC TESTING. THE MECHANIC ADVISED THAT THE THROTTLE BODY NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 77,000.
THE A/C MOTOR BEHIND THE GLOVE BOX IS MAKING A CLICKING NOISE AND I HAVE NOTICED ON A LOT OF GM AND CHEVY VEHICLES THE SAME DEFECT. I THINK THIS SHOULD DEFINITELY BE A RECALL CONSIDERING A LOT OF PEOPLE I KNOW HAVE THE SAME PROBLEM. *TR
TL* THE CONTACT OWNS A 2011 CHEVROLET IMPALA. THE CONTACT STATED THAT THE VEHICLE STALLED WITHOUT WARNING. THE VEHICLE WAS TAKEN TO A DEALER WHERE THE TECHNICIAN WAS UNABLE TO FIND A FAILURE. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 98,286.
MY FAMILY AND I WERE TRAVELING FROM NEWARK, NJ FROM THE JULY 4TH HOLIDAY BACK HOME TO RALEIGH NC ON 95 SOUTH IN VIRGINIA AND GOING AT A SPEED OF 72MPH APPROX. AND THE CAR/ENGINE JUST TURNED OFF AT THAT RATE OF SPEED WITH 2 CHILDREN IN THE BACK SEAT OF THE VEHICLE. AFTER WE SAT ON THE SIDE OF THE ROAD FOR ABOUT 45MIN THE VEHICLE PROCEEDED TO START AND WE MADE IT HOME TO NC. THE FOLLOWING BUSINESS DAY AFTER THE HOLIDAY I TOOK IT TO MY MECHANIC GIAO AUTO LOCATED ON CAPITAL BLVD IN RALEIGH NC AND HE COULD NOT DETERMINE WHY THE VEHICLE SHUT OFF THE WAY IT DID. SO I CONTINUED TO DRIVE JUST WITH PRECAUTION. I RECEIVED A LETTER ON 8/21/2014 REGARDING THE RECALL AND WAS LIVID BECAUSE THIS HAS HAPPENED TO MY FAMILY WHILE DRIVING ON THE INTERSTATE! I BELIEVE THAT THIS MAY HAPPEN TO MY FAMILY AGAIN AND DO NOT WANT TO RISK THIS, SO I WOULD LIKE TO KNOW WHAT CAN BE DONE TO ENSURE THAT MY CHILDREN HAVE A SAFE VEHICLE. *TR
TL* THE CONTACT OWNS A 2011 CHEVROLET IMPALA. THE CONTACT STATED THAT THE ENGINE WARNING LIGHT INTERMITTENTLY ILLUMINATED ON THE INSTRUMENT PANEL. THE VEHICLE WAS TAKEN TO DEALER FOR DIAGNOSTIC TESTING HOWEVER, THE FAILURE COULD NOT BE DIAGNOSED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 54,000.
WHILE STARTING MY CAR. NOTIFICATION CAME UP ENGINE POWER REDUCED. WASN'T ABLE TO DRIVE MORE THEN 40MPH! ENGINE WAS SHAKING. *TR
FIRST INCIDENT WAS ON (05-29-2014CHECK ENGINE LIGHT, SERVICE TRACTION SYSTEM, AND REDUCED POWER LIGHTS CAME ON. CAR TOOK OFF WITH A JERK. HAD CAR SCANNED FOR CODES. CAME BACK AS THE THROTTLE POSITION SENSOR. HAD THAT CHANGED TODAY(06-06-2014) AND CODE CLEARED OUT. WAS DOING GREAT UNILL THIS EVENING WHILE I WAS DRIVING HOME TONIGHT ,(06-06-2014),ON HIGHWAY DOING 56 M.P.H. AND CAR SHUT OFF. CHECK ENGINE LIGHT CAME ON, SERVICE TRACTION CONTROL SYSTEM, AND REDUCED ENGINE POWER. I QUICKLY VEERED OFF INTO MEDIAN AND TURNED FLASHERS ON. THERE WERE SEVERAL CARS BEHIND ME. CAR WOULD NOT START RIGHT AWAY. AFTER SEVERAL MINUTES IT STARTED WITH ONLY CHECK ENGINE LIGHT ON. MY CHILDREN AND I COULD HAVE BEEN SERIOUSLY INJURED OR KILLED HAD I NOT BEEN ABLE TO REACT AS QUICKLY AS I DID. OBVIOUSLY I AM NOT THE ONLY ONE EXPERIENCING THIS SAME ISSUES BASED ON THE INVESTIGATIONS ON HERE. I HAVE ALSO RESEARCHED ON MANY GM FORUM POSTS WITH MANY REPORTING THE SAME ISSUES. GM BASICALLY APOLOGIZES IN THE FORUMS AND TELLS THEM TO TAKE IT UP WITH THE DEALERSHIP. *TR
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- ACCELERATOR 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 EXPERIENCING 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. *JS
I WAS DRIVING ON HWY 41 N IN SOUTH GEORGIA AND MY ENGINE LIGHT COMES ON AND 3 MESSAGES COME UP: 1) SERVICE STABILTRAC, 2) SERVICE TRACTION CONTROL, 3( ENGINE POWER REDUCING (AND IT DID). THEN THE CAR SEEMS TO WANT TO STOP OR HESITATE LIKE ITS RUNNING OUT OF GAS (STILL HAVE HALF TANK). I BECOME AFRAID I PULL OVER AND PUT CAR IN PARK AND IT'S LIKE THE CAR WANTS TO SHUT OFF BUT IT DOESN'T UNTIL I SHUT THE ENGINE DOWN (WHEN I SLOWED DOWN THE CAR STARTED SHAKING). I BOUGHT THIS CAR LESS THAN SIX MONTHS BACK AND IT HAD ONLY 46,000 MILES ON IT. NOW I HERE SOME RATTLING COMING FROM SOME WHERE AROUND THE WHEEL. I HAVE READ MANY OTHER COMPLAINTS ALMOST IDENTICAL TO MINE. TODAY 4/2/2014 THE ENGINE LIGHT IS ON BUT I DON'T SEE ANY OF THE WARNINGS AND THE CAR HAS NOT HESITATED AS BADLY AS IT DID YESTERDAY. BUT FROM WHAT I HAVE RESEARCHED ON THIS MATTER GM NEEDS TO ISSUE A RECALL AND ADDRESS THIS MATTER AS IT COULD CAUSE BE THE MAKING OF SOME SERIOUS LAW SUITS. *TR
TL* THE CONTACT OWNS A 2011 CHEVROLET IMPALA. THE CONTACT STATED WHILE DRIVING 30 MPH, THE VEHICLE STALLED AND ALL OF THE WARNING LAMPS ILLUMINATED ON THE INSTRUMENT PANEL. THE VEHICLE WAS NOT TAKEN TO THE DEALER FOR DIAGNOSTIC TESTING. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND CURRENT MILEAGE WERE 104,000.
JULY 2013 HAD HUB BEARINGS REPLACED IN ORDER FOR CAR TO PASS INSPECTION. ISSUE WITH "SERVICE TRACTION CONTROL" HAD NEVER OCCURRED THE PRIOR WINTERS -- CAR SLOWS DOWN, ENGINE SLOWS DOWN -- THIS JUST STARTED HAPPENING AFTER THE HUB BEARINGS WERE REPLACED. ON MARCH 23, 2014, AFTER PAYING TOLLS ON THE TURNPIKE, THE "SERVICE TRACTION CONTROL" WARNING AGAIN APPEARED (NO SNOW, NOTHING TO TRIGGER THE WARNING) AND THEN MY CAR STOPPED, NO POWER...THE STEERING LOCKED...FORTUNATELY I WAS GOING SLOW ENOUGH AND SOMEHOW MADE IT TO THE BREAKDOWN LANE. CAR HAD ABSOLUTELY NO POWER...COMPLETELY DEAD. WAITED ABOUT 1/2 HOUR AND WAS ABLE TO RESTART. CALLED GM 3/25 WHO CONTACTED THE DEALER FOR AN APPOINTMENT FOR ME. DEALER NEVER CALLED ME (NOW 4/7/14). I HAVE PLACED ANOTHER CALL TO GM. THE VEHICLE SHOULD NOT COMPLETELY SHUT DOWN. ASKED GM IF THERE WAS A RECALL AND WAS TOLD NO. I HOPE OTHERS WHO EXPERIENCE THIS WILL FILE COMPLAINTS SO THAT THEY WILL RECALL. HAD I BEEN IN A DIFFERENT LANE, I MAY HAVE HAD SOMEONE CRASH INTO ME AT 65 MPH AND I PROBABLY WOULD NOT BE ALIVE. THIS NEEDS TO BE RECALLED. TOO DANGEROUS. *TR
I WAS DRIVING MY CAR AND IT BEGAN TO SHAKE AND LOSE POWER AND WOULD NOT ACCELERATE. THE CHECK ENGINE LIGHT CAME ON WITH MESSAGES REDUCED ENGINE POWER, SERVICE STABILTRAK. THIS HAS BEEN HAPPENING QUITE A BIT WITH THIS CAR. I HAVE BEEN RESEARCHING ONLINE AND HAVE NOTICED THAT NUMEROUS COMPLAINTS HAVE BEEN FILED GOING BACK YEARS. GM SHOULD TAKE CARE OF THIS PROBLEM AS IT IS HAPPENING WITH NUMEROUS VEHICLES. I DRIVE ON THE INTERSTATE EVERY DAY AND IF THIS HAPPENS THERE I HOPE IT DOESN'T CAUSE AN ACCIDENT. *TR
Showing 1–20 of 32 complaints
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026