NHTSA owner reports · September 18, 2026 snapshot.
Engine And Engine Cooling complaints
30 reportsClear category filter200,000 miles · Aug 14, 2018
Engine And Engine CoolingFire
TL* THE CONTACT OWNS A 2007 CHEVROLET IMPALA. WHILE DRIVING 35 MPH, THE CONTACT NOTICED SMOKE UNDER THE HOOD. THE CONTACT TURNED THE VEHICLE OFF AND ALLOWED IT TO COOL DOWN. AFTER, APPROXIMATELY 5 TO 10 MINUTES, THE VEHICLE WAS RESTARTED AND OPERATED NORMALLY. THE CONTACT NOTICED THAT THE ENGINE WARNING INDICATOR WAS ILLUMINATED…
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TL* THE CONTACT OWNS A 2007 CHEVROLET IMPALA. WHILE DRIVING 35 MPH, THE CONTACT NOTICED SMOKE UNDER THE HOOD. THE CONTACT TURNED THE VEHICLE OFF AND ALLOWED IT TO COOL DOWN. AFTER, APPROXIMATELY 5 TO 10 MINUTES, THE VEHICLE WAS RESTARTED AND OPERATED NORMALLY. THE CONTACT NOTICED THAT THE ENGINE WARNING INDICATOR WAS ILLUMINATED AND THE VEHICLE WAS LEAKING COOLANT AND OIL. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE INTAKE MANIFOLD GASKETS FAILED. THE VEHICLE WAS NOT REPAIRED. THE DEALER WAS NOT CONTACTED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND INFORMED THE CONTACT THAT THE VIN WAS NOT INCLUDED IN ANY RECALLS. THE FAILURE MILEAGE WAS 200,000.
NHTSA ODI #11119845
Mileage unknown · Oct 20, 2014
Engine And Engine CoolingVisibility
EVERY TIME I TURN THE HEAT FROM THE AIR CONDITIONING, AND VICE VERSA, IT MAKES A LOUD CLICK CLACKING SOUND THAT LASTS FOR ABOUT A MINUTE OR TWO AND IS LOUD ENOUGH TO BE HEARD INSIDE AND OUTSIDE OF THE CAR. VERY EMBARRASSING. OTHERS THAT OWN A SIMILAR VEHICLE HAVE HAD THE SAME ISSUES. *TR
NHTSA ODI #10648956
Mileage unknown · Oct 1, 2014
Engine And Engine Cooling
I PURCHASED MY VEHICLE IN LATE MARCH 2010. SHORTLY THEREAFTER, MY CAR BEGAN TO LOSE POWER. I HAD AT LEAST 3 INCIDENCES THAT I CAN REMEMBER, 1 OF WHICH WAS GOING DOWN THE INTERSTATE AND THE CAR COMPLETELY DIED. FRIGHTENED, I WAS ABLE TO GET THE CAR TO THE SHOULDER AND PUT THE VEHICLE IN PARK. MY FIRST REACTION WAS TO ATTEMPT T…
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I PURCHASED MY VEHICLE IN LATE MARCH 2010. SHORTLY THEREAFTER, MY CAR BEGAN TO LOSE POWER. I HAD AT LEAST 3 INCIDENCES THAT I CAN REMEMBER, 1 OF WHICH WAS GOING DOWN THE INTERSTATE AND THE CAR COMPLETELY DIED. FRIGHTENED, I WAS ABLE TO GET THE CAR TO THE SHOULDER AND PUT THE VEHICLE IN PARK. MY FIRST REACTION WAS TO ATTEMPT TO RESTART THE VEHICLE. IT STARTED UP RIGHT AWAY AND I WAS ABLE TO MAKE IT SAFELY HOME. THE OTHER INCIDENTS WERE ON MAIN ROADS IN TOWN. THE CAR DID THE SAME THING. AFTER THE INTERSTATE ORDEAL, I IMMEDIATELY TOOK THE CAR TO BEATY CHEVROLET IN KNOXVILLE, TN. THEY STATED THAT THE IGNITION WENT OUT AND NEEDED TO BE REPLACED. NOW, I UNDERSTAND THAT OTHER GM OWNERS HAVE HAD THIS SAME ISSUE. A RECALL DEFINITELY NEEDS TO BE ISSUED SO NO MORE PEOPLE ARE PUT IN HARM'S WAY. THIS IS A KNOWN ISSUE ACCORDING TO AN OPERATOR NAMED [XXX] AT GM WHEN I CALLED A FEW MINUTES AGO TO INQUIRE ABOUT THE CURRENT RECALL REGARDING THE KEY/FOB TURNING ISSUE. SHE STATED THAT THE RECALL HAD NOT YET BEEN ISSUED REGARDING MY ISSUE AND THAT I NEEDED TO FILE A COMPLAINT WITH YOUR DEPARTMENT. I BELIEVE THAT THIS KNOWN ISSUE IS BEING SWEPT UNDER THE RUG BY THE BIG CORPORATION AND NEEDS TO BE DEALT WITH IMMEDIATELY. I DESERVE A FULL REFUND FOR "FAULTY" MANUFACTURED PARTS. LUCKILY, MY FAMILY NOR I WERE INJURED DURING THE LISTED INCIDENTS LISTED ABOVE. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR
NHTSA ODI #10640626
87,000 miles · May 20, 2014
EngineEngine And Engine Cooling
WHILE DRIVING MY 07' CHEVY IMPALA THE TEMPERATURE GAUGE ARM OFTEN WILL DROP TO 'C' AS IF THE ENGINE TEMPERATURE IS COLD, THEN THE DRIVERS INFORMATION DISPLAY PANEL WILL DISPLAY A MESSAGE "ENGINE HOT TURN OFF A/C". I'VE HAD THE THERMOSTAT REPLACED, RADIATOR COOLANT DRAINED AND REPLACED, HOPING TO FIX THIS PROBLEM, BUT I'M STILL D…
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WHILE DRIVING MY 07' CHEVY IMPALA THE TEMPERATURE GAUGE ARM OFTEN WILL DROP TO 'C' AS IF THE ENGINE TEMPERATURE IS COLD, THEN THE DRIVERS INFORMATION DISPLAY PANEL WILL DISPLAY A MESSAGE "ENGINE HOT TURN OFF A/C". I'VE HAD THE THERMOSTAT REPLACED, RADIATOR COOLANT DRAINED AND REPLACED, HOPING TO FIX THIS PROBLEM, BUT I'M STILL DEALING WITH IT. AFTER DOING SOME RESEARCH I'M FINDING THAT THERE HAS BEEN OTHER CHEVY VEHICLE OWNERS DEALING WITH THIS SAME ISSUE, WHICH IS MOST LIKELY A BAD 'ENGINE COOLANT TEMPERATURE SENSOR (ECT). *TR
NHTSA ODI #10592916
53,000 miles · Feb 26, 2014
Engine And Engine CoolingPower Train
NO HEAT IN CAR, OVER HEATING, TOOK TO GARAGE, IT IS HEAD GASKET. VERY EXPENSIVE TO FIX,ONLY 53,000 MILES. *TR
NHTSA ODI #10565959
63,000 miles · May 8, 2012
Engine And Engine CoolingTraction Control System
INTERMITTENT PROBLEMS WITH "SERVICE TRACTION CONTROL" AND "ENGINE POWER REDUCED". MY IMPALA IS STARTING TO RUMBLE AND JOSTLE WHEN THESE WARNINGS APPEAR. HOWEVER, I CAN'T FIGURE OUT THE REASON. *TR
NHTSA ODI #10457831
Mileage unknown · Apr 25, 2012
Electrical SystemEngine And Engine CoolingVehicle Speed Control
WHILE I WAS DRIVING AN ERROR MESSAGE APPEARED ON THE PANEL "ENGINE POWER REDUCED". THE CAR IMMEDIATELY SLOWED DOWN AS IF THE ENGINE HAD CUT-OFF COMPLETELY. IT DID NOT AND I WAS ABLE TO DRIVE TO THE SIDE OF THE ROAD AT ABOUT 10 MPH. LUCKILY IT WAS LATE AT NIGHT, THE FEW CARS THAT WERE DRIVING NEAR ME WERE ABLE TO CHANGE LANES BEF…
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WHILE I WAS DRIVING AN ERROR MESSAGE APPEARED ON THE PANEL "ENGINE POWER REDUCED". THE CAR IMMEDIATELY SLOWED DOWN AS IF THE ENGINE HAD CUT-OFF COMPLETELY. IT DID NOT AND I WAS ABLE TO DRIVE TO THE SIDE OF THE ROAD AT ABOUT 10 MPH. LUCKILY IT WAS LATE AT NIGHT, THE FEW CARS THAT WERE DRIVING NEAR ME WERE ABLE TO CHANGE LANES BEFORE A COLLISION OCCURRED. *TR
NHTSA ODI #10456412
100,000 miles · Apr 24, 2012
Engine And Engine Cooling
I AM THE OWNER OF A 2007 CHEVY IMPALA, WHICH IS NO LONGER UNDER WARRANTY. (LAST 8 OF VIN #[XXX]) I HAVE HAD SEVERAL PROBLEMS WITH MY VEHICLE FOR THE PAST SEVERAL YEARS STARTING WITH THE "CHECK ENGINE LIGHT." WHEN I WAS IN SCHOOL IN VIRGINIA THE LIGHT FIRST CAME ON AND I TOOK IT TO A GM DEALER IN VIRGINIA FOR A WEEK, THEY SAID TH…
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I AM THE OWNER OF A 2007 CHEVY IMPALA, WHICH IS NO LONGER UNDER WARRANTY. (LAST 8 OF VIN #[XXX]) I HAVE HAD SEVERAL PROBLEMS WITH MY VEHICLE FOR THE PAST SEVERAL YEARS STARTING WITH THE "CHECK ENGINE LIGHT." WHEN I WAS IN SCHOOL IN VIRGINIA THE LIGHT FIRST CAME ON AND I TOOK IT TO A GM DEALER IN VIRGINIA FOR A WEEK, THEY SAID THEY FIXED IT AND A WEEK LATER IT CAME BACK ON. I BROUGHT THE VEHICLE BACK AND THEY SAID THEY FIXED IT AGAIN, HOWEVER IT ONCE AGAIN CAME BACK ON. THIS IS EXTREMELY FRUSTRATING BECAUSE IT WOULDN'T LET ME ACCELERATE OVER 25 MPH AND I NEEDED TO GET HOME TO NEW YORK. SEVERAL MONTHS LATER I RECEIVED THE "CHECK ENGINE LIGHT" AGAIN AND BROUGHT IT TO A GM DEALER IN NEW YORK, WHO SUPPOSEDLY FIXED THIS PROBLEM. LAST WEEK THE "CHECK ENGINE" LIGHT CAME ON AGAIN WITH THE MESSAGE "REDUCED ENGINE POWER" ONCE AGAIN AND THE CAR STOPPED ON THE HIGHWAY AND SHUT-OFF. THIS IS EXTREMELY DANGEROUS AS I WAS STOPPED ON A 60MPH HIGHWAY WITH CARS JUST MISSING ME. I HAVE SPENT THOUSANDS OF DOLLARS AS A COLLEGE STUDENT TRYING TO REPAIR THIS ISSUE WHICH STILL HAS NOT BEEN RESOLVED AND NOW HAS BECOME AN INCONVENIENCE, A TOLL ON MY BANK ACCOUNT, AS WELL AS A VERY DANGEROUS SAFETY ISSUE. I AM SCARED TO DRIVE MY CAR TO WORK EVERYDAY NOW, WHICH SHOULD NOT BE THE PROBLEM BECAUSE THE ENGINE LIGHT AND REDUCED POWER IS STILL ON. I HAVE LOOKED ONLINE AT SEVERAL MESSAGE BOARDS AND EVERYONE HAS SAID THE SAME THING ABOUT THIS PROBLEM. CLEARLY THIS IS A MANUFACTURING ERROR AND AS A SAFETY MEASURE GM SHOULD REALLY PLACE A RECALL ON THIS BEFORE SOMEONE DIES OR IS SERIOUSLY INJURED FROM THIS. I APPRECIATE YOUR IMMEDIATE RESPONSE TO THIS INCONVENIENCE AND SAFETY ISSUE. THANK YOU, INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR
NHTSA ODI #10456401
7,915 miles · Feb 16, 2012
Electrical SystemEngine And Engine CoolingPower Train
11-23-07 REMOTE START INTERMITTENTLY INOPERABLE, 10-14-08 WHEN BRAKING VEHICLE HAS PULSATION IN FRONT, 7-1-10 PURCHASED NEW SET OF TIRES -46,388 MILES ON CAR (85,000 WARRANTY ON TIRES ), 7-10-10 REPLACED MUFFLER-SEAM SPLIT, 11-18-10 HEAVY ENGINE REPAIR-HEAD GASKET LEAK(52284 MILES ON CAR), 3-11-08 RUST SPECKS ON COMPLETE VEHICLE…
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11-23-07 REMOTE START INTERMITTENTLY INOPERABLE, 10-14-08 WHEN BRAKING VEHICLE HAS PULSATION IN FRONT, 7-1-10 PURCHASED NEW SET OF TIRES -46,388 MILES ON CAR (85,000 WARRANTY ON TIRES ), 7-10-10 REPLACED MUFFLER-SEAM SPLIT, 11-18-10 HEAVY ENGINE REPAIR-HEAD GASKET LEAK(52284 MILES ON CAR), 3-11-08 RUST SPECKS ON COMPLETE VEHICLE, 2-1-11 TRANSMISSION REPAIR-REPLACED PISTON & RESEALED INPUT CLUTCH HOUSING (54756 MI ON CAR), 2-10-12 PURCHASED ANOTHER SET OF TIRES 72,820 MILES ON CAR (85,000 MILE WARRANTY-TIRES WORE BARE ON INSIDE OF 4 TIRES-OUTSIDE HAD GOOD TREAD THERE WAS 58,568 MILES LEFT OF TIRE WARRANTY) TOO MANY REPAIRS FOR NEW CAR.-LEMON- *TR
NHTSA ODI #10448199
95,000 miles · Nov 30, 2011
Electrical SystemEngine And Engine Cooling
WHILE DRIVING ON THE INTERSTATE, A MESSAGE WAS DISPLAYED SAYING "SERVICE TRACTION CONTROL" AND "REDUCED ENGINE POWER". I WAS USING CRUISE CONTROL AND IT SHUT OFF AFTER THE MESSAGES WERE DISPLAYED AND I WAS UNABLE TO STAY AT THE SPEED LIMIT OR ACCELERATE QUICKLY IF NEEDED. IN ANOTHER INCIDENT, I WAS DRIVING AND THE TWO MESSAGES…
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WHILE DRIVING ON THE INTERSTATE, A MESSAGE WAS DISPLAYED SAYING "SERVICE TRACTION CONTROL" AND "REDUCED ENGINE POWER". I WAS USING CRUISE CONTROL AND IT SHUT OFF AFTER THE MESSAGES WERE DISPLAYED AND I WAS UNABLE TO STAY AT THE SPEED LIMIT OR ACCELERATE QUICKLY IF NEEDED. IN ANOTHER INCIDENT, I WAS DRIVING AND THE TWO MESSAGES DISPLAYED AND A FEW MINUTES LATER THE ENGINE SHUT OFF COMPLETELY. THE POWER STEERING WAS NOT WORKING AND THE ENGINE WAS NOT RESPONDING. THE ONLY WAY TO GET THE CAR RUNNING AGAIN WAS TO SHUT IT OFF AND WAIT SEVERAL MINUTES UNTIL IT WOULD START AGAIN. *KB
NHTSA ODI #10437907