Problems · by component
2003 Chevrolet Malibu engine problems
48 owner complaints to NHTSA about the 2003 Chevrolet Malibu cite engine, 8% of all 611 complaints for this model year.
Complaints
48
8% of all complaints
Crashes
2
Reported by owners
Fires
0
Reported by owners
Injuries
1
Reported by owners
What owners say about the engine
Verbatim from NHTSA complaints, newest first
“Multiple times, the vehicle, while driving, electrically shuts down. security light comes on, sometimes, many attempts to restart will work. These shutdowns cause me to revet to manual bakes and steering.”
“TL* THE CONTACT OWNS A 2003 CHEVROLET MALIBU. WHEN THE ENGINE WARMED UP AND THE RPMS REACHED THEIR MAXIMUM LEVEL, THE ACCELERATOR PEDAL AUTOMATICALLY DROPPED TO THE FLOORBOARD. AN INDEPENDENT MECHANIC DIAGNOSED THAT THE THROTTLE BODY FAILED. THE VEHICLE WAS REPAIRED. THE DEALER WAS NOT NOTIFIED. THE MANUFACTURER WAS CONTACTED AND PROVIDED CASE NUMBER: 9-5413563462. THE MANUFACTURER ALSO PROVIDED A $100 VOUCHER. THE FAILURE MILEAGE WAS 65,000.”
“TOOK CAR TO WALMART ONE NIGHT AND BEGINS TO OVERHEAT AFTER NAPA TOLD ME IT HAD NO LEAKS. CAR OVERHEATS I PULL ASIDE AND TURN IT OFF FOR A BIT I NOTICED THE CAR WOULD CRANK BUT HESITATE TO START. ONCE GOT IT TO START IT WOULD ACCELERATE BUT AT LOW RPMS. CHECK ENGINE LIGHT WENT ON AND I NOTICED CAR SHAKING AND WEIRD NOISE COMING FROM THE ENGINE. ONCE STARTED CAR SQUEAKED AND MAD TERRIBLE NOISE. CAR DID NOT TURN BACK ON AND DID NOT MAKE IT HOME. CRANKS AND RARE WHEN STARTS, CHARGED BATTERY BUT DRAINS, DOESN'T MAINTAIN CHARGE. WHITE SMOKE COMING OUT OF EXHAUST AND WHEN CAR WOULD STALL IT WOULD TURN OFF, NOW THEFT SYSTEM LIGHT IS ON. NOW CAR WONT EVEN CRANK OR TURN ON. ONCE I GOT IT TO TURN ON WITH TROUBLE IT WOULD TURN OFF ONCE PUT INTO REVERSE OR DRIVE. TURNED OFF WHILE DRIVING IT ONE NIGHT AND BRAKES DID NOT WORK. ALMOST CRASHED INTO HOME, MY CAR WAS IN MOTION AND WOULD TURN OFF AMD STEERING WHEEL GOT HARD AND BRAKES DIDN'T WORK, SCARED TO DRIVE THE VEHICLE ENGINE MAKES WIERD BOGGING SOUND AMD SQUEAKING SOUND, SMELL OF GAS. EXHAUST HAS WHITE SMOKE COMING OUT OF IT. HAS TROUBLE IDLING AT TIMES AND LOW RPMS.”
“YESTERDAY I WAS DRIVING ON A STRAIGHT ROAD WITH A FEW TURNS IN A RURAL COMMUNITY. ALL OF A SUDDEN THE THEFT SYSTEM LIGHT STARTS FLASHING, MY SPEED DROPS BY FORCE, MY STEERING WHEEL TIGHTENS, AND THE ENGINE SHUTS OFF. THANKFULLY THE DRIVER BEHIND ME WAS NOT UP TO SPEED AS HE HAD JUST TURNED ONTO THE STREET AFTER ME. OTHERWISE, HE WOULD HAVE SLAMMED INTO THE BACK OF MY CAR. I PUT THE CAR IN PARK AND STARTED MY ROUTINE OF TRYING TO GET THE IGNITION TO TURN OVER. THIS PROCESS CALLS FOR ME TO PUT THE KEY IN THE IGNTION, TURN IT TO THE RIGHT, AND WAIT FOR THE BOARD TO LIGHT UP. ONCE IT IS LIT, THE CAR USUALLY STARTS AGAIN. THIS IS THE FIRST TIME THE ENGINE WAS SHUT DOWN WHEN THE THEFT LIGHT STARTS TO BLINK. IN THE PAST I HAVE HAD TROUBLE GETTING THE CAR TO START WHEN THE LIGHT COMES ON. I HAVE HAD SEVERAL IGNITION SWITCHES REPLACED AT THE SUGGESTION OF THEIR CHEVY TECHNICIANS BUT EACH SPRING/SUMMER I CONTINUE TO HAVE THIS COSTLY PROBLEM. THE MANAGERS AND TECHNICIANS SEEM TO THINK THAT THIS IS NOT A BIG ISSUE AND THAT I WILL NEED TO CONTINUE TO REPLACE THE IGNITION SWITCHES BECAUSE THE CAR THINKS THAT I AM STEALING MY OWN CAR. THE ONLY WAY FOR ME TO GET THE CAR TO…”
“TL* THE CONTACT OWNS A 2003 CHEVROLET MALIBU. THE CONTACT STATED THAT THE WHILE DRIVING AT VARIOUS SPEEDS, THE VEHICLE EXPERIENCED A LOSS OF ENGINE POWER THE FAILURE OCCURRED WITH NO WARNING. THE VEHICLE WAS NOT TAKEN TO BE DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 88,000. UPDATED 05/31/17*LJ *AS”
“TL* THE CONTACT OWNS A 2003 CHEVROLET MALIBU. WHILE DRIVING 40 MPH, THE CHECK OIL WARNING INDICATOR ILLUMINATED. THE VEHICLE WAS TOWED TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE CAMSHAFT FAILED AND CAUSED SEVERE DAMAGE TO THE ENGINE. THE CONTACT WAS INFORMED THAT THE ENGINE NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 110,000.”
Showing 6 of 48 reports. Read every report on NHTSA.gov.
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 9, 2026NHTSA vehicle page
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.