Problems · by component

2008 Pontiac G6 engine problems

36 owner complaints to NHTSA about the 2008 Pontiac G6 cite engine, 3% of all 1,080 complaints for this model year.

Complaints
36
3% of all complaints
Crashes
1
Reported by owners
Fires
3
Reported by owners
Injuries
0
Reported by owners
01 —Owner reports

What owners say about the engine

Verbatim from NHTSA complaints, newest first
“THE CAR IS SOME BULL[XXX] I STARTED CUTTING OFF ON ME IN THE MIDDLE OF THE ROAD REDACTED TO PROTECT PERSONALLY IDENTIFIABLE INFORMATION PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6) *CC”
Owner complaint to NHTSAFiled Jun 22, 2020Vehicle speed control, Electronic stability control (esc), EngineFire reportedODI 11330111
“TL* THE CONTACT OWNS A 2008 PONTIAC G6. THE CONTACT WAS UNABLE TO START THE VEHICLE. THE CONTACT HAD TO APPLY PRESSURE TO THE ACCELERATOR PEDAL FOR THE VEHICLE TO START. ALSO, UPON EXITING THE VEHICLE, A STRONG FUEL ODOR WAS DETECTED AROUND THE VEHICLE. THE CONTACT TOOK THE VEHICLE TO AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT THE FUEL PUMP WAS DEFECTIVE. THE CONTACT HAD THE FUEL PUMP REPLACED. THE MECHANIC INFORMED HER THAT THE VEHICLE MAY HAVE BEEN INCLUDED IN A RECALL; HOWEVER, THE VIN TOOL DID NOT LOCATE ANY RECALLS. THE MANUFACTURER AND DEALER WERE NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 195,000.”
Owner complaint to NHTSAFiled Aug 20, 2019Fuel system, gasoline, EngineODI 11245344
“I WAS DRIVING AND MY CAR STARTED TO REDUCE SPEED, HESITATE, AND JERK WHEN PUT MY FOOT ON THE GAS AT A LIGHT TO PULL OFF OR EVEN WITH MY FOOT ON THE GAS PEDAL DRIVING. MY CAR COULDN'T PICK UP SPEED PAST 25 MILES AND SOMETIME LESS. A MESSAGE CAME UP ON MY DASH BOARD STATED FLASHING REDUCE ENGINE SPEED. I WAS NEAR AUTO ZONE WHEN IT HAPPENED SO I ASKED TO HAVE A DIANOSTIC COMPLETED AND IT STATED THROTTLE/ PEDAL POSITION SENSOR/ SWITCH "E" CIRCUIT LOW INPUT MEANING CODE P2127.”
Owner complaint to NHTSAFiled Jun 9, 2019Vehicle speed control, EngineODI 11218734
“THE CATALYTIC CONVERTER IN MY CAR NEEDS REPLACEMENT. I HAVE BEEN THE ONLY OWNER AND HAVE MAINTAINED IT PROPERLY. THE CAR HAS A LITTLE UNDER 67,000 MILES AND OCCASIONALLY LOSES POWER. IT IS A MAJOR SAFETY ISSUE AS THIS HAPPENS SPORADICALLY. I CAN NOT WITH 100 PERCENT CERTAINTY MERGE INTO TRAFFIC KNOWING THAT IT WILL ACCELERATE FAST ENOUGH. I HAD A DIAGNOSTIC RUN ON THE CAR AND WAS TOLD THAT THE CATALYTIC CONVERTER IS THE ISSUE AND NEEDS REPLACEMENT. I CONTACTED THE DEALERSHIP IN EL PASO, TX AND THEY CLAIM THAT SOME PONTIAC G6 MODELS (BASED ON VIN) HAVE BEEN RECALLED, BUT THAT MINE IS NOT ONE OF THEM. I HAVE LOOKED UP RELATED CASES AND DON'T UNDERSTAND WHY MY CAR'S VIN IS NOT INCLUDED. I LOVE MY CAR AND IT HAS SERVED ME WELL, UNTIL NOW. I HOPE THAT SOMEONE, ANYONE WITH SOME AUTHORITY IS READING THIS. I HOPE THAT THAT PERSON DOES SOME INVESTIGATING AND REALIZES THAT THIS ISSUE IS NOT ISOLATED AND SHOULD BE AN OPEN RECALL. IT IS MOST DEFINITELY A SAFETY ISSUE. I DO NOT FEEL THAT IT IS SAFE TO CONTINUE TO DRIVE MY VEHICLE, BUT AM FORCED TO AS I CANNOT AFFORD TO HAVE IT FIXED. THE ACCELERATION ISSUE HAS HAPPENED ON THE FREEWAY AND ON CITY STREETS. I HAVE STOPPED…”
Owner complaint to NHTSAFiled Sep 10, 2018Vehicle speed control, EngineODI 11128587
“GEAR SHIFTER MOVES BUT CAR ROLLS AS ITS IN NEUTRAL NO MATTER WHAT WHEN I WENT TO PUT MY CAR IN PARK IT STILL ROLLED FORWARD, WHEN I PUT IT IN REVERSE IT STILL ROLLED FOWARD. ITS AS IF THE GEAR SHIFTER ISN'T PUTTING IT INTO THE CORRECT GEAR. NOW I HAVE TURNED MY CAR OFF AND IT WON'T RESTART BECAUSE IT DOESN'T THINK ITS IN PARK? WHAT COULD THIS BE?”
Owner complaint to NHTSAFiled May 17, 2018EngineODI 11096517
“"TAKATA RECALL" IN MY PONTIAC G6 AFTER I HIT 100000 MILES I STARTED HAVING ALL KINDS OF PROBLEMS. MY ABS LIGHT KEEP COMING ON AND OFF. MY THEFT-DETERRENT ALARMS COMES ON AND STAY ON WHILE I DRIVE. THEN IT GOES OFF STAY OFF FOR A DAY MAYBE THEN COME BACK ON. THE TRACTION CONTROL WARNING LIGHT COMES ON AND STAYS ON THEN GOES OFF AND COME BACK ON. THE CAR PULLS FORWARD, WHICH IS SCARY. I DRIVE SLOW BECAUSE I WANT TO MAKE SURE I CAN STOP IF I HAVE TO. I TOOK MY CAR TO THE SHOP. PUT IT ON THE DIAGNOSTIC MACHINE THE CODES THAT WERE COMING UP CONTRADICTS WHAT THE CAR IS ACTUALLY DOING. THE MECHANIC SAID I MAY NEED A COMPUTER BUT I MAY HE REALLY DID NOT HAVE A DEFINITELY ANSWER ON WHAT IS GOING ON WITH MY CAR. THERE IS NO RECALL FOR MY (VIN) BUT I BELIEVE THEIR SHOULD BE.”
Owner complaint to NHTSAFiled Mar 1, 2018Electrical system, Electronic stability control (esc), EngineODI 11075757

Showing 6 of 36 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.