Pontiac Bonneville Engine Problems
148 owner complaints filed with NHTSA across 6 model years.
Complaints by Year
Worst year: 2000. Best year: 2004.
Owner Reports
A representative sample of complaints filed with NHTSA.
MY CAR CAUGHT ON FIRE BACK IN JANUARY 2020 UNDER THE HOOD ON MY WAY TO WORK THE FIRE STARTED BEHIND THE VALE COVER GASKETS AND NOW OIL IS LEAKING ON THE MANIFOLD GASKETS AND GAS IS MIXING WITH THE OIL AND I CAN'T DRIVE MY CAR ANYMORE HEL...
TL* THE CONTACT OWNED A 2001 PONTIAC BONNEVILLE. WHILE DRIVING OUT OF THE DRIVEWAY, THE ENGINE MADE AN ABNORMAL BANGING SOUND AND THE VEHICLE CAUGHT FIRE. THE ENGINE BLEW UP AND PRODUCED A THICK CLOUD OF SMOKE. THE FIRE DEPARTMENT EXTING...
TL* THE CONTACT OWNS A 2003 PONTIAC BONNEVILLE. WHILE THE VEHICLE WAS STOPPED AT A STOP SIGN, SMOKE EMERGED FROM UNDERNEATH THE HOOD WITHOUT WARNING. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC. THE CONTACT CALLED A LOCAL DEALER (WH...
TL* THE CONTACT OWNS A 2002 PONTIAC BONNEVILLE. WHILE DRIVING AT VARIOUS SPEEDS, THE VEHICLE BEGAN TO SMOKE UNDER THE HOOD. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE GASKETS AND VALVE COVER FAILED A...
TL* THE CONTACT OWNED A 2001 PONTIAC BONNEVILLE. THE CONTACT STATED THAT THE VEHICLE CAUGHT FIRE AND EXPLODED WHEN THE IGNITION KEY WAS INSERTED. THERE WERE NO INJURIES AND A POLICE REPORT WAS NOT FILED. THE VEHICLE WAS DESTROYED. THE MA...
I HAD LEFT MY LIGHTS ON AND BATTERY WENT DEAD. WENT TO JUMP THE VEHICLE AND CHARGE THE BATTERY. CABLES CONNECTED CORRECTLY. WHEN I WENT TO START THE VEHICLE, I HEARD A LOUD EXPLOSION NOISE LIKE A BACK FIRE BUT SAW A FLAME THEN SMOKE OUT ...
MASS AIR FLOW SENSOR AND O2 SENSOR FAILURE CONSTANT. 10/2013 SECURITY LIGHT COMES ON FREQUENTLY WHILE IN MOTION12/2013 LEAKS IN LOWER GASKET VALVE...ENGINE IS EXTREMELY HOT MOST OF THE TIME 04/2014 SERVICE ENGINE LIGHT REMAINS ON DUE ...
CAR SHUT OFF WHILE SITTING AT YIELD SIGN ,WAS REAR ENDED BY ONCOMING TRAFFIC. *TR
TL* THE CONTACT OWNS A 2001 PONTIAC BONNEVILLE. THE CONTACT STATED THAT THE VEHICLE EXHIBITED AN ABNORMAL NOISE WHEN FIRST STARTED AND CAUGHT ON FIRE. THE FIRE DEPARTMENT WAS CALLED AND ASSISTED WITH EXTINGUISHING THE FIRE. THERE WERE NO...
WE HAD A LOT OF SNOW AND I LIVE ON A SLIGHT HILL. WENT TO START THE CAR THAT WAS COVERED IN SNOW TO MOVE THE CAR ON THE OTHER SIDE OF THE STREET FACING DOWN HILL. I TURNED THE KEY TO START THE CAR AND HEARD IT POP OR BACKFIRE WHICH IT H...
WAS GOING TO START MY CAR I TURNED THE KEY TO THE ON POSITION AND HEARD A VERY LOUD EXPLOSION AND THE MOTOR BROKE OUT IN FLAMES. *TR
ACTED LIKE IT WAS RUNNING OUT OF GAS, LOSS OF POWER AND SPEED. ONLY 50MPH WHEN A BOOM IN THE ENGINE, PULLED OVER POPPED THE HOOD LATCH, SAW SMOKE, EXITED CAR AS FLAMES CAME OUT OF THE HOOD. CALLED 911.. CAR BURNT TO THE GROUND. WITNESS S...