Problems · by component

1996 Pontiac Sunfire engine and engine cooling problems

37 owner complaints to NHTSA about the 1996 Pontiac Sunfire cite engine and engine cooling, 18% of all 201 complaints for this model year.

Complaints
37
18% of all complaints
Crashes
0
Reported by owners
Fires
0
Reported by owners
Injuries
0
Reported by owners
01 —Owner reports

What owners say about the engine and engine cooling

Verbatim from NHTSA complaints, newest first
“TL*THE CONTACT OWNS A 1996 PONTIAC SUNFIRE. WITHIN A WEEK OF PURCHASING THE VEHICLE, IT BEGAN OVERHEATING. IN ADDITION, THE HEADLIGHTS WOULD REMAIN ILLUMINATED WHEN THE VEHICLE WAS TURNED OFF, WIPER FLUID WAS LEAKING, AND THE MUFFLER MADE A LOUD NOISE. THE CONTACT HAS NOT BEEN ABLE TO REACH THE DEALER SINCE THE VEHICLE WAS PURCHASED. THE FAILURE MILEAGE WAS 136,050. UPDATED 10/03/08 *BF UPDATED 10/06/08.*JB”
Owner complaint to NHTSAFiled Sep 4, 2008Engine and engine cooling, Exterior lighting, VisibilityODI 10240905
“THE VEHICLE WAS PARKED AND THE CONSUMER NOTICED OIL WAS LEAKING FROM UNDERNEATH THE VEHICLE. THE CONSUMER HAD TAKEN THE VEHICLE TO THE DEALER FOR ANALYSIS AND THE MECHANIC NOTICED THAT THE HEAD GASKET NEEDED TO BE REPLACED DUE TO DETERIORATION. *AK THE VEHICLE HAD ALSO BEEN LOSING COOLANT FOR THE PAST YEAR AND EXHIBITED A COOLANT SMELL. *SC *JB”
Owner complaint to NHTSAFiled Jan 23, 2004Engine and engine coolingODI 10050011
“FAILURE OF HEAD GASKET AT LESS THAN 64,000 MILES. I UNDERSTAND THAT THIS IS A COMMON COMPLAINT WITH THE SUNFIRE MODEL ALTHOUGH THERE HAS BEEN NO OFFICIAL RECALL FOR THIS. *NLM”
Owner complaint to NHTSAFiled Dec 3, 2003Engine and engine coolingODI 10049089
“HEAD GASKET ON MY 96 PONTIAC SUNFIRE BLEW AND CAUSED MY CAR TO STALL IN TRAFFIC AND ALMOST CAUSED AN ACCIDENT WITH MY FAMILY ABOARD. MY CAR WENT FROM 195 OPERATING TEMP TO 260 WITH IN 1 MINUTE. THE CAR COULD HAVE CAUGHT FIRE AND CAUSED TREMENDOUS INJURIES.*AK”
Owner complaint to NHTSAFiled Nov 30, 2003Engine and engine coolingODI 10048886
“HEADLIGHTS GO OUT INTERMITTENTLY WHILE DRIVING. THIS HAS BEEN REPAIRED NUMEROUS TIMES, THE PROBLEM IS A SPLICE IN THE WIRING. *AK THE HIGH BEAMS WERE INOPERATIVE AND THE DAYTIME RUNNING LIGHTS FLASHED WHILE DRIVING. THE DEALER REPLACED THE INSTRUMENT PANEL CLUSTER. THE VACUUM ACTUATOR WAS STICKING WHICH CAUSED THE HEATER CONTROL NOT TO BLOW ON THE SETTING SELECTED. THE MUFFLERS HANGER BROKE AND THE BAFFLES WERE LOOSE WHICH CAUSED RATTLING AT IDLE. *SCC *NLM”
Owner complaint to NHTSAFiled Aug 15, 2003Engine and engine cooling, Electrical systemODI 10026652
“-THE HORN ON 1996 PONTIAC SUNFIRE HAS QUIT WORKING AND BEEN REPAIRED THREE TIMES. THE PEOPLE AT THE SHOP SAID THAT IT WAS GETTING WET APPARENTLY EVERYTIME I WENT THROUGH WATER BECAUSE OF IT BEING POINTED DOWNWARD. -THE MUFFLER HAS BEEN FIXED THREE TIMES -THERE ARE MORE THAT I CAN NOT REMEBER RIGHT OFF HAND -THEIR IS AN ELECTRICAL PROBLEM WITH THE WHOLE CAR. THE LIGHT ON THE RADIO TIME AND STAION DISPLAY HAS NOT WORKED SINCE I BOUGHT IT, THE DRIVER'S REAR DOOR LIGHT HAS NOT COME ON, THE PASSENGER REAR WINDOW LETS DOWN BUT WILL NOT LET UP WHEN NEEDED SINCE RIGHT AFTER I GOT THE CAR, THE LIGHTS IN THE DASHBOARD GO ON AND OFF WITHOUT EVEN BEING TOUCHED, WHILE RIDING DOWN THE ROAD, THE WIDSHIELD WIPERS WILL JUST COME ON WITHOUT BEING TURNED ON AND THEN STOP HALFWAY DOWN IMPAIRING VISION, THE PASSENGER REAR TAIL LIGHT BLOWS ALL OF THE TIME, IT HAS NEVER STAYED WITH A BULB THAT WORKS, ETC. -THE VALVE COVER GASKET LEAKS AND HAS LEAKED SINCE I GOT IT -THE GAS LIGHT WILL NOT TELL YOU WHEN YOU ARE RUNNING LOW ON FUEL -THE RADIO WILL EAT YOUR TAPES SINCE I GOT THE CARTHE TRANSMISSION HAS BEEN REPLACE ON THE CAR WITH LESS THAN 80,000 MILES ON IT -THE RACK AND PINION HAD TO…”
Owner complaint to NHTSAFiled May 29, 2003Suspension, Service brakes, air, Engine and engine cooling, Power train, Electrical system, Exterior lighting, Latches/locks/linkages, Vehicle speed control, Seats, Interior lightingODI 10020716

Showing 6 of 37 reports. Read every report on NHTSA.gov.

Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 11, 2026NHTSA vehicle page

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.

Other 1996 Sunfire problem areas