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2011 Chevrolet Impala Engine Problems

32 owner-reported engine complaints from NHTSA data

32
Complaints
1
Fires
Jan 2017Dec 2013
Date Range

Data sourced from NHTSA public database. For informational purposes only. Always consult a qualified mechanic.

Owner Complaints (32)

highENGINE
Filed: Oct 2021

Your car's engine failed shortly after purchase in June 2021. The dealership has had your car for 4 months without completing repairs or replacement, while you continue making loan payments on a non-functioning vehicle. The shop has stopped responding to your calls about the repair status. Resolving this will likely require engine replacement or a major engine rebuild.

NHTSA #: 11436285
mediumENGINE
FireFiled: Nov 2020

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.

NHTSA #: 11374324
mediumENGINE
Filed: Feb 2020

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.

NHTSA #: 11306923
mediumENGINE
Filed: Apr 2019

GET AN ERROR OUT OF NOWHERE STATING SERVICE STABILITRACK, LOSS OF ENGINE POWER.

NHTSA #: 11197100
mediumENGINE
Filed: Jan 2017

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.

NHTSA #: 10940379
mediumENGINE
Filed: Nov 2016

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.

NHTSA #: 10927700
mediumENGINE
Filed: Oct 2015

TL* THE CONTACT OWNS A 2011 CHEVROLET IMPALA. WHILE DRIVING APPROXIMATELY 60, THE VEHICLE STALLED AFTER THE STABILITRAK, TRACTION CONTROL, AND ENGINE POWER DOWN WARNING INDICATORS ILLUMINATED. THE VEHICLE RESTARTED; HOWEVER, THE FAILURE RECURRED ON ONE OTHER OCCASION WHILE DRIVING APPROXIMATELY 45 MPH. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE ENGINE WIRING HARNESS WAS FAULTY AND NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 34,500.

NHTSA #: 10781664
mediumENGINE
Filed: Aug 2015

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

NHTSA #: 10749172
mediumENGINE
Filed: May 2015

WHEN THE ACCELERATOR PEDAL IS RELEASED, THE CAR DOES NOT SLOW DOWN. DEALER SAYS CAR IS OK. THIS HAPPENS AT ANY SPEED AND MAKES IT DIFFICULT TO SLOW DOWN OR STOP. THE CAR WILL RUN ALONG AT ABOUT 20 MILES PER HOUR FROM A STOPPED POSITION WITHOUT TOUCHING ACCELERATOR. VERY DIFFICULT TO DRIVE ON ICE OR SNOW.

NHTSA #: 10721155
mediumENGINE AND ENGINE COOLING,FUEL/PROPULSION SYSTEM
Filed: Mar 2015

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

NHTSA #: 10701098
mediumENGINE
Filed: Jan 2015

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.

NHTSA #: 10672961
mediumENGINE,FUEL/PROPULSION SYSTEM
Filed: Oct 2014

DRIVING 2011 CHEVY IMPALA IN CITY TRAFFIC. SERVICE STABILITRAK, SERVICE TRACTION CONTROL, REDUCED ENGINE POWER WARNING MESSAGES RECEIVED. THIS HAS HAPPENED SEVERAL TIMES AT INTERMITTENT INTERVALS IN THE TWO YEARS I HAVE OWNED THE VEHICLE. IN SOME INSTANCES, THE ENGINE SHUTS OFF AND ALL POWER STEERING AND POWER BRAKING IS LOST MAKING IT VERY DIFFICULT TO CONTROL THE VEHICLE. AFTER RESEARCH, THIS IS A PROBLEM THAT GM NEEDS TO ADDRESS. I HAVE FOUND THAT IF I PULL OVER WHEN THE WARNING MESSAGES DISPLAY, SHUT THE CAR OFF, WAIT APPROX 10 MIN, THE CAR WILL START AGAIN, THE MESSAGES WILL BE GONE, AND THE CAR WILL DRIVE NORMALLY. THE CHECK ENGINE LIGHT REMAINS ON AND THEN GOES OFF WITHIN A DAY OR TWO. *TR

NHTSA #: 10641627
mediumENGINE
Filed: Sep 2014

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.

NHTSA #: 10637501
mediumENGINE
Filed: Aug 2014

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

NHTSA #: 10627443
mediumENGINE AND ENGINE COOLING
Filed: Jul 2014

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

NHTSA #: 10614596
mediumENGINE AND ENGINE COOLING
Filed: Jun 2014

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

NHTSA #: 10596778
mediumENGINE
Filed: Jun 2014

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.

NHTSA #: 10595641
mediumENGINE
Filed: Jun 2014

WHILE STARTING MY CAR. NOTIFICATION CAME UP ENGINE POWER REDUCED. WASN'T ABLE TO DRIVE MORE THEN 40MPH! ENGINE WAS SHAKING. *TR

NHTSA #: 10595399
mediumENGINE
Filed: Apr 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- 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

NHTSA #: 10585335
mediumENGINE
Filed: Apr 2014

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

NHTSA #: 10578066
mediumENGINE
Filed: Apr 2014

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

NHTSA #: 10576655
mediumENGINE
Filed: Apr 2014

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.

NHTSA #: 10576268
mediumENGINE AND ENGINE COOLING,VEHICLE SPEED CONTROL
Filed: Mar 2014

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

NHTSA #: 10573566
mediumENGINE AND ENGINE COOLING,POWER TRAIN
Filed: Dec 2013

WHILE DRIVING DOWN THE ROAD, THE CAR WILL VIOLENTLY JERK, AND THE DASHBOARD WILL FLASH, REDUCED ENGINE POWER. NOW CAR WON'T MOVE AT ALL. WE HAVE REPLACED THE GAS PEDAL TWICE! CHEVROLET NEEDS TO ADDRESS THIS ISSUE. I AM SEEING IT ALL OVER THE INTERNET. *TR

NHTSA #: 10555903
mediumENGINE
Filed: Aug 2013

CODE P211222 AND CODE C0242 CAR WOULD NOT GO OVER 5 MPH. ENGINE LIGHT WAS ON. CALLED ONSTAR. THIS IS THE THIRD TIME THIS HAS HAPPENED IN 15 MONTHS. FIXED TWICE. SPOKE WITH GENERAL MOTORS SAFETY DIVISION AND [XXX] AT GENERAL MOTORS SEVERAL TIMES. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

NHTSA #: 10537131
mediumENGINE
Filed: Jul 2013

I WAS DRIVING ON THE HIGHWAY AT 60 MPH WHEN MY CAR BEGAN TO SLOW DOWN UNTIL IT CAME TO A STOP. I COULD DO NOTHING BUT SIT THERE I DID NOT HAVE ENOUGH TIME TO MAKE IT TO THE EMERGENCY LANE. I COULD HAVE BEEN KILLED! THE CAR GAVE NO WARNING. I RECEIVED SEVERAL MESSAGES ON THE DASH THAT STATED DISABLED STARTER, SERVICE THROTTLE, AND THE CHECK OIL LIGHT WAS ON. OVER THE TWO YEARS THAT I HAVE HAD THIS VEHICLE I HAVE HAD TO HAVE THE TRANSMISSION REPLACED AND ONE YEAR LATER ANOTHER POTENTIAL COSTLY REPAIR. SOMETHING REALLY NEEDS TO BE DONE WITH THE 2011 CHEVY IMPALA'S, THERE IS A SERIOUS SAFETY ISSUE GOING ON THAT HAS NOT BEEN LOOK AT BY CHEVY. *TR

NHTSA #: 10532252
mediumENGINE
Filed: Apr 2013

HAD THE SERVICE LIGHT AND SERVICE STABITRAK AND REDUCED POWER COME ON. SEEMS TO HAPPEN A LOT DURING THE WINTER. I HAVE HAD THE GAS PEDAL REPLACED SEEMED TO HELP FOR A WEEK UNTIL SNOWED AGAIN BUT WAS DUE TO NICE WEATHER I HAVE ALSO HAD TO TAKE OFF THROTTLE BODY AND CLEANED WITH THROTTLE BODY CLEANER. SEEMED TO DO THE TRICK UNTIL IT SNOWED AGAIN. IT IS VERY DANGEROUS WHEN THIS HAPPENS AND ALMOST CAUSED A CRASH. THE PROBLEM SEEMS TO BE WITH THE SENOR BUT WORKS FINE WHEN NOT WET OUT OR SNOWING. AFTER LOOKING ONLINE SEEMS TO BE A VERY COMMON PROBLEM WITH CHEVY WITH THEM NOT DOING A THING OTHER THEN WANTING TO CHARGE ME 600 BUCKS TO REPLACE THROTTLE BODY. SEEMS LIKE CHEVY NEVER WANTED TO FIX THIS ISSUE DUE TO THE FACT OF ALOT OF OTHER MODELS OF CHEVY HAVE THE SAME PROBLEM GOING BACK ATLEAST 4-5 YEARS. *TR

NHTSA #: 10509175
mediumENGINE AND ENGINE COOLING
Filed: Mar 2013

WE WERE ON THE TURNPIKE GOING ABOUT 60MPH WHEN THE ENGINE LIGHT CAME ON. THE SERVICE LIGHT FOR TRACTION CONTROL AND SERVICE STABILITRAK WARNINGS CAME UP ON THE DASH. IT ALSO SAID REDUCING POWER TO ENGINE. THE CAR SLOWED IN SPEED AND BEGAN SHAKING. SERVICE THROTTLE CAME UP ON DASH ALSO. WE HAD NO WHERE TO PULL OFF. THERE IS NOT MUCH OF A BURM ON THIS INTERSTATE AND BEFORE WE COULD GET TO A PULL OFF AREA THE CAR SHUT DOWN IN THE ROAD. WE HAD TO SET THERE FOR 10 MINUTES BEFORE THE CAR WOULD RESTART SO THAT WE COULD GET TO A SAFER PLACE. I HAD MY CHILDREN IN THE CAR IN THE MIDDLE OF THIS ROAD WITH TRACTOR TRAILERS SWERVING AROUND ME CONSTANTLY. ALL I COULD DO WAS PRAY NO ONE WOULD HIT US. WE EVEN CONTACTED 911 FOR ASSISTANCE. SINCE THIS DAY WE HAVE HAD THE SAME CONTINUOUS PROBLEMS. I WILL NOT TRAVEL ON THE INTERSTATES WITH THIS VEHICLE FOR FEAR OF THIS HAPPENING AGAIN. THERE DOESN'T SEEM LIKE THERE IS ANY ONE PARTICULAR THING THAT SETS THIS OFF. BUT SEEMS TO BE WORSENING. I FEEL THIS IS A SAFETY ISSUE AND SHOULD BE TAKEN CARE OF BY GM. FROM THE CHEVY FORUMS ON THE IMPALA IT SEEMS THIS A PROBLEM WITH THEIR IMPALAS AND THEY SHOULD HAVE TO REPAIR THIS PROBLEM WITH NO COST TO THE CONSUMER BEFORE SOMEONE IS KILLED. *TR

NHTSA #: 10504799
mediumENGINE
Filed: Oct 2012

TL* THE CONTACT OWNS A 2011 CHEVROLET IMPALA. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 25 MPH THE STABILITY TRACK CONTROL LIGHT, THE ENGINE LIGHT, AND THE REDUCE POWER LIGHT ILLUMINATED ON THE INSTRUMENT PANEL. THE CONTACT NOTICED THE ENGINE POWER WAS REDUCED WHILE ACCELERATING. THE FAILURE OCCURRED WHILE DRIVING AT DIFFERENT SPEEDS. THE VEHICLE WAS TAKEN TO THE DEALER FOR DIAGNOSTIC TESTING. THE CONTACT WAS NOT AWARE OF THE DIAGNOSIS. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 37,562. UPDATED11/14/12*LJ UPDATED 11/16/2012 *JS

NHTSA #: 10479335
mediumENGINE AND ENGINE COOLING,VEHICLE SPEED CONTROL,TRACTION CONTROL SYSTEM
Filed: Sep 2012

I HAVE 42,000 ON MY 2011 CHEVY IMPALA AND THE SERVICE TRACTION CONTROL AND THEN REDUCE ENGINE POWER AS WELL AS THE CHECK ENGINE LIGHT CAME ONE. I HAVE READ IT IS THE THROTTLE BODY AND NOT COVERED UNDER THE EXTENDED WARRANTY, BUT NUMEROUS PEOPLE ARE HAVING THE SAME PROBLEM WITH THE SAME EXACT THING AND NO RECALL OR ANY KIND OF CARE IS COMING FROM GM.... AND THOSE OF US THAT ARE STILL PAYING FOR OUR CARS ARE GETTING THE SHORT END OF THE STICK... *TR

NHTSA #: 10476579
mediumENGINE
Filed: Aug 2012

I HAVE A CHEVY IMPALA, 2011, AND A MONTH OR SO AFTER BUYING IT THE "SERVICE STABILITRAK" LIGHT CAME ON. BEFORE I COULD GET IT INTO A SHOP, IT WENT OFF. IT CAME ON AGAIN YESTERDAY AND MY ENGINE POWER ALL BUT SHUT DOWN, I WAS TRYING TO GET THROUGH AN INTERSECTION AND THOUGHT I WOULDN'T MAKE IT. AFTER RESEARCHING, I SEE THAT CHEVY HAS HAD NUMEROUS ISSUES WITH THIS. WHY ARE THEY NOT REPAIRING THE PROBLEM? THIS IS A HUGE SAFETY ISSUE FOR DRIVERS. *TR

NHTSA #: 10471304
mediumENGINE AND ENGINE COOLING,VISIBILITY
Filed: Nov 2011

MY IMPALA WILL NOT HEAT IN IDLE POSITION,NO EARLY MORN DEFROSTS FOR ME! TOOK TO DEALER ( 10/18/11) HE FOUND A LEAK, REPLACED A HOSE. IT WAS GOOD FOR A WHILE, NOW DOING AGAIN, (10/28/11), GOING BACK IN SHOP ON 11/3/11. ALSO CAR WILL NOT HEAT WHEN REMOTE STARTER IS USED,COMES UP TO TEMP EVERYTIME JUST DOESN'T BLOW HOT AIR, THIS HAS BEEN REPORTED TO THEM, THEY TELL ME THAT'S "NORMAL", WHAT??, IM SORRY, BUT ISN'T THE PURPOSE OF REMOTE STARTERS, FOR REGULATING CABIN TEMPERATURE? I WILL SEE HOW THESE TWO ISSUES ARE HANDLED ON THURS, I HAVE THIS FUNNY FEELING I WILL BE BACK HERE ON THIS SITE FOR THE SAME ISSUES. *TR

NHTSA #: 10433935

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