There are 50 owner-reported fuel system complaints for the 2008 Pontiac G6in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
Fuel pump defective, return hose onto the top of fuel pump starts to leak fuel.Which can led to car stalling out from not having the correct fuel pressure which caused the engine to stall everywhere,the road,fire hazard,etc.
GAS SMELLS AT REAR OF CAR
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.
NOTICED A STRONG GAS SMELL COMING FROM REAR OF CAR FOR SEVERAL DAYS. FINALLY TOOK CAR IN FOR INSPECTION. MECHANIC SAID THAT THE FUEL PUMP MODULATOR NEEDS TO BE REPLACED. I'VE SEEN ON SEVERAL WEBSITES THAT THE PONTIAC G5 HAS THE SAME PROBLEM AND WERE BEING RECALLED. UNFORTUNATELY I HAVEN'T SEEN ANYTHING ABOUT THE PONTIAC G6. I BELIEVE THAT THIS IS A SERIOUS ISSUE WITH THIS CAR. COULD YOU PLEASE INVESTIGATE THIS. WHEN PARKING THE CAR IN MY GARAGE THE ODOR WAS QUITE STRONG AND ALSO A DANGER TO ME AND MY FAMILY. THE CAR COULD HAVE CAUGHT ON FIRE AS WELL AS MY HOUSE.
THE SMELL OF STRONG GAS IN THE CAR . AS I DRIVE THE CAR THE SMELL OF GAS GET STRONGER AND STRONGER ON THE INSIDE AND WHEN I LEAVE THE CAR ON THE OUTSIDE I HAD THE CAR CHECKED AND THEY CAN'T FIND OUT WHERE THIS STRONG SMELL OF GAS IS COMING FROM AND THIS PRESENTS A GREAT DANGER AND PROBLEM
FUEL LEAKING FROM GAS TANK AREA AND SHOWING P0446 CODE. THERE IS AN EXISTING RECALL FOR THIS ISSUE FOR THIS MODEL IN MY MODEL YEAR RANGE BUT MY VIN IS NOT INCLUDED WITHIN THE RECALL. I FEEL MY ISSUE SHOULD BE COVERED BY THE RECALL.
TL* THE CONTACT OWNS A 2008 PONTIAC G6. THE CONTACT STATED THAT THE VEHICLE LEAKED FUEL AND THERE WAS A STRONG FUEL ODOR INSIDE THE VEHICLE. THE MANUFACTURER STATED THAT THERE WERE NO RECALLS ON THE VEHICLE. THE DEALER WAS NOT NOTIFIED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE FAILURE MILEAGE WAS 137,298.
THERE IS A CRACK IN THE FUEL LINE ABOVE THE FUEL PUMP ON TOP OF THE GAS TANK. THERE IS A DISTINCT GAS SMELL FROM THE CAR AND OBD CODE P0446. THIS IS A HAZARD TO MY HEALTH. THERE IS AN OBVIOUS FUEL LEAK. THIS IS NOT THE FIRST TIME I HAVE HEARD OF THIS ON A GM CAR.
STARTED SMELLING GAS FUMES WHEN I STOPPED THE CAR, NOW I SMELL IT WHETHER I AM DRIVING OR STOPPED. TOOK IT TO MY MECHANIC AND THEY DETERMINED THAT IT WAS LEAKING FROM THE TOP OF FUEL TANK. THEY SAID IT WAS EITHER THE PLASTIC FUEL LINE CRACKED ON THE FUEL PUMP OR THE MODULE. THEY SAID THIS HAS BEEN A SAFETY PROBLEM WITH THE 2008 G6. I THINK THIS IS A PROBLEM THAT SHOULD BE TAKEN CARE OF BY GM. THIS IS A SERIOUS SAFETY PROBLEM WITH THESE CARS. GM NEEDS A RECALL ON THIS MATTER. GM HAS HAD RECALLS ON PRIOR YEARS OF THE G6 WITH THE SAME PROBLEM.
TL* THE CONTACT OWNS A 2008 PONTIAC G6. THE CONTACT STATED THAT THE FUEL TANK WAS LEAKING FUEL AND THE FUEL PRESSURE INDICATOR ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC, BUT THEY COULD NOT DETERMINE THE CAUSE OF THE FAILURE. THE LOCAL DEALER AND MANUFACTURER WERE NOT CONTACTED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE FAILURE MILEAGE WAS 150,000.
2008 PONTIAC G6. CONSUMER WRITES SEEKING REIMBURSEMENT FOR VEHICLE REPAIRS. *LD THE CONSUMER STATED THE VEHICLE EXPERIENCED A STRONG GASOLINE ODOR. FUEL MODULE ASSEMBLY AND DEFECTIVE O-RING NEEDED TO BE REPLACED.*JS
FUEL PUMP ASSEMBLY PORT DEVELOPED A CRACK, RESULTING IN FUEL LEAKING FROM THE AREA. A VERY STRONG FUEL ODOR WAS NOTICED WHEN BEING DRIVEN OR PARKED, WITH SLIGHT DRIPS SOMETIMES NOTICED ON THE GARAGE FLOOR. THE ODOR WAS SO STRONG THAT IT WAS EVEN NOTICEABLE IN THE LIVING AREAS FROM SIMPLY ENTERING AND LEAVING THE GARAGE. IF AN IGNITION SOURCE WERE PRESENT, A VEHICLE FIRE COULD HAVE OCCURRED, A SERIOUS CONCERN. MY LOCAL MECHANIC INSPECTED AND REPAIRED THE VEHICLE, AND BELIEVED THAT THE VEHICLE SHOULD BE PART OF A PONTIAC RECALL ON SIMILAR COBALT, G5, ION VEHICLES, THAT THEY'VE SEEN THE PROBLEM ON BEFORE, BUT OUR VIN DOES NOT REGISTER AS A RECALLED VEHICLE FOR THIS PROBLEM.
MY 2008 PONTIAC G6 CONVERTIBLE IS LEAKING FUEL FROM THE TOP OF THE FUEL TANK. I HAD THE CAR LIFTED UP ON LIFTS AT THE DEALERSHIP I WORK AT AND SAW THAT THERE WAS FUEL ALL AROUND THE BOTTOM OF THE FUEL TANK. THE FUEL LINE IS LEAKING BECAUSE THE VEHICLE DOES NOT START ON THE FIRST ATTEMPT. THE SECOND ATTEMPT BUILDS UP ENOUGH FUEL PRESSURE FOR A NORMAL START. THE FUEL ODOR HAS GOTTEN SO BAD INSIDE THE CABIN THAT I HAVE TO KEEP THE WINDOWS CRACKED AT ALL TIMES WHILE DRIVING TO KEEP ME FROM GETTING A HEADACHE. I CAN BE DRIVING DOWN THE ROAD AND LITERALLY WATCH THE FUEL NEEDLE DROP. GM NEED TO DO SOMETHING ABOUT THIS ISSUE BEFORE I OR SOMEONE ELSE ARE SERIOUSLY INJURED OR EVEN KILLED IN A FIRE!
TL* THE CONTACT OWNS A 2008 PONTIAC G6. ON SEVERAL OCCASIONS, THE VEHICLE SMELLED OF FUEL. THE CONTACT STATED THAT THE FUEL ODOR BECAME STRONGER AND SPREAD THROUGHOUT THE VEHICLE. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 200,000.
TL* THE CONTACT OWNS A 2008 PONTIAC G6. WHETHER THE VEHICLE WAS PARKED OR BEING DRIVEN, A STRONG FUEL ODOR WAS DETECTED FROM THE VEHICLE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED BY AN INDEPENDENT MECHANIC OR DEALER. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 132,000.
TL* THE CONTACT OWNS A 2008 PONTIAC G6. WHILE THE VEHICLE WAS PARKED, THERE WAS A STRONG FUEL ODOR COMING FROM THE VEHICLE WITHOUT WARNING. IN ADDITION, THE CONTACT OBSERVED FUEL LEAKING FROM THE FUEL PUMP. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 13E043000 (FUEL SYSTEM). THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 124,000.
TLA* THE CONTACT OWNS A 2008 PONTIAC GA WHILE DRIVING 30 MPH, THE CONTACT NOTICED AN ABNORMAL FUEL ODOR COMING FROM THE REAR OF THE VEHICLE. THE CONTACT STATED THAT THERE WAS EVIDENCE OF A FUEL LEAK UNDERNEATH THE REAR OF THE VEHICLE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC TO BE DIAGNOSED. THE CONTACT WAS INFORMED THAT THERE WAS LEAK IN THE FUEL MODULE OF THE FUEL TANK, WHICH CAUSED FUEL TO LEAK ONTO THE EXHAUST PIPES. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 130,000. UPDATED 01/25/18*L'S THE CONSUMER STATED VEHICLE WAS REPAIRED BY REPLACING THE FUEL MODULE. UPDATED 7/2/18*JB *TR
NOTICED GASOLINE ODORS, HARD STARTING, CHECK ENGINE LIGHT CAME ON, TOOK TO SHOP FOR DIAGNOSIS. MECHANIC SAID THE PLASTIC HOUSING ON THE TOP OF THE FUEL PUMP HAD CRACKED, CAUSING GAS TO LEAK FROM THE TANK ALSO LOW FUEL PRESSURE AND VACUUM PROBLEMS. SAID CAR WAS UNSAFE TO DRIVE AND NEEDED THE ENTIRE FUEL PUMP REPLACED. THE TOTAL REPAIR COST IS $1000. THE G5 MODEL HAS THE SAME PROBLEM AND THERE HAS BEEN A FACTORY RECALL BUT NONE ON THE G6 MODEL.
TL* THE CONTACT OWNS A 2008 PONTIAC G6. THE CONTACT NOTICED A STRONG FUEL ODOR INSIDE THE VEHICLE, WHICH AFFECTED HER BREATHING AND CAUSED HEADACHES. THE DEALER WAS NOTIFIED, BUT WAS UNABLE TO SCHEDULE AN APPOINTMENT IN A REASONABLE TIME FRAME. THE VEHICLE WAS TAKEN TO A MECHANIC WHO DIAGNOSED THAT THERE WAS A HOLE IN THE TUBE, WHICH NEEDED TO BE REPLACED. THE CONTACT WAS INFORMED THAT THE FUEL PUMP AND FURTHER TESTING SHOULD BE COMPLETED BY A DEALER. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE TO DETERMINE IF A DEALER COULD PROVIDE ODOR TESTING AND FURTHER DIAGNOSTIC TESTING. THE FAILURE MILEAGE WAS NOT AVAILABLE.
TL* THE CONTACT OWNS A 2008 PONTIAC G6. WHILE DRIVING 60 MPH, A FUEL ODOR EMITTED IN AND AROUND THE VEHICLE. THE VEHICLE WAS INSPECTED BY A CERTIFIED INDEPENDENT MECHANIC WHO DETERMINED THAT THERE WAS A HOLE IN THE FUEL PUMP THAT WAS LEAKING FUEL AND NEEDED TO BE REPLACED. THE VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 13E043000 (EQUIPMENT, FUEL SYSTEM, GASOLINE). THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 180,000.
Showing 1–20 of 50 complaints
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026