RoadVitals

2008 Pontiac G6 Fuel system Problems

Owner-reported complaints naming the fuel system system, filed with NHTSA

Data refreshed

Fuel system reportsComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
62
Latest Apr 8, 2026
Share of all reportsThis category as a share of every owner report on file for this model year. One report can name more than one component, so the categories overlap.
6%
of 1,078 total
Crash or fire reportedReports in this category whose submitter recorded that a crash or a fire occurred. The reporter's own answer on the NHTSA form, not a verified finding.
0
Injuries or deaths reportedTotals the submitters entered on their own reports in this category. Not verified by NHTSA and not a casualty statistic.
0

What this page shows

Reports naming fuel storage or delivery — tanks, pumps, lines, injectors and fuel leaks. Every record below is an owner-reported complaint about the 2008 Pontiac G6 submitted to NHTSA — not a confirmed defect, not a recall and not a manufacturer bulletin. 62 reports on file name it.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Owner reports naming fuel system

The 25 most recent of 62, in the owner's own words

Fuel system
Filed Apr 8, 2026

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.

NHTSA ID
11729897
Incident
Apr 8, 2026
Fuel system
Filed May 14, 2021

GAS SMELLS AT REAR OF CAR

NHTSA ID
11416582
Incident
May 14, 2021
Fuel systemSeat beltsSuspension
Filed Dec 2, 2019

TL* THE CONTACT OWNS A 2008 PONTIAC G6. WHILE TRAVELING AT HIGH SPEEDS, THE VEHICLE BEGAN TO RATTLE AND SHAKE WITHOUT WARNING. ALSO, AFTER THE CONTACT PUT ON HER SEAT BELT, THE SEAT BELT WARNING CHIME SOUNDED WHILE THE SEAT BELT WAS ENGAGED AND IN USE. THE CONTACT TOOK THE VEHICLE TO AN INDEPENDENT MECHANIC AND WAS PROVIDED A REPAIR ESTIMATE. ADDITIONALLY, THE CONTACT STATED THAT THE FUEL PUMP NO LONGER FUNCTIONED, WHICH MADE THE VEHICLE INOPERATIVE. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 156,000.

NHTSA ID
11286461
Incident
Nov 1, 2018
Mileage
156,000 mi
Fuel system
Filed Oct 14, 2019

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

NHTSA ID
11268315
Incident
Jun 1, 2019
Mileage
153,800 mi
EngineFuel system
Filed Aug 20, 2019

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.

NHTSA ID
11245344
Incident
Jul 29, 2019
Mileage
195,000 mi
Fuel system
Filed Jul 22, 2019

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.

NHTSA ID
11233721
Incident
Jul 1, 2019
Mileage
149,000 mi
Fuel system
Filed Feb 23, 2019

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.

NHTSA ID
11182132
Incident
Jan 26, 2019
Fuel system
Filed Oct 10, 2018

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.

NHTSA ID
11139424
Incident
Feb 1, 2018
Mileage
150,000 mi
Fuel system
Filed Sep 4, 2018

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.

NHTSA ID
11124447
Incident
Jun 18, 2018
Fuel system
Filed Aug 28, 2018

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.

NHTSA ID
11123088
Incident
Aug 16, 2018
Mileage
137,298 mi
Fuel system
Filed Jun 7, 2018

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.

NHTSA ID
11100440
Incident
Jun 1, 2018
Mileage
70,000 mi
Fuel system
Filed Mar 26, 2018

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!

NHTSA ID
11081240
Incident
May 15, 2017
Mileage
110,000 mi
Fuel system
Filed Jan 8, 2018

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

NHTSA ID
11056453
Incident
Nov 13, 2017
Fuel systemSteering
Filed Dec 20, 2017

PURCHASED FROM ALLSTAR CHEVROLET NORTH ON 2/12/16 AND WAS GIVEN A CARFAX REPORT THAT SHOWED A CLEAN RECORD. NOTHING WAS MENTIONED ABOUT THE SEVERAL RECALLS ON THIS CAR. I CURRENTLY WORK 1/2 MILE FROM HOME AND I HAVE ONLY PUT 10,000 ON THE VEHICLE. ABOUT A MONTH AGO I WAS TURNING AT A LIGHT ON A BUSY INTERSECTION AND I LOST ALL POWER STEERING. WHEN THAT HAPPENED SEVERAL CHIMES AND THE WARNING "POWER STEERING" WAS DISPLAYED ON RADIO. I MANAGED TO PULL INTO THE CLOSET PARKING LOT AND TURNED THE MOTOR OFF. I LEFT THE CAR OFF FOR ABOUT AN HOUR. WHEN I RESTARTED CAR THE POWER STEERING RETURNED. CALLED THE CLOSET MECHANIC AND WAS INFORMED THAT THIS CAR HAS HAD SEVERAL RECALLS ONE BEING POWER STEERING. I CALLED THE DEALERSHIP AND SPOKE WITH THE SERVICE MANAGER AND HE DENIED ANY OPEN OR CLOSED RECALLS. HE EXPLAINED THAT THEY REPLACED THE STEERING SHAFT TORQUE SENSOR. I ASKED HIM FOR A COPY OF THE REPAIR HISTORY EMAILED TO ME. ON THE REPORT THERE WAS 3 RECALLS LISTED. I CALLED GM AND FILED A REPORT. GM CALLED BACK AND TOLD ME ALL REQUIRED REPAIRS WERE COMPLETED AND THE MATTER IS CLOSED. I EXPLAINED THE CAR I HAD ONLY PLACED 10,000 MILES ON THE CAR SINCE PURCHASE AND IF THE REPAIR WAS DONE PROPERLY I SHOULDN'T HAVE THIS PROBLEM.WHEN I ASKED ABOUT THE SPECIAL WARRANTY GM ISSUED FROM THE RECALL (I OBTAINED THIS INFORMATION FROM THE DOCUMENTS THE SERVICE MANAGER EMAILED) I WAS TOLD I WOULD HAVE TO PAY FOR DIAGNOSTIC TEST AND THEY WOULD ONLY PAY IF THIS SHOWED THE STEERING SHAFT TORQUE SENSOR WAS BAD. I ASKED TO HAVE THIS MAILED OR EMAILED TO ME AND WAS TOLD "WE DON'T DO THAT". I ALSO TOLD HER ABOUT THE STRONG GAS SMELL AND I ONLY GET 125-150 MILES ON A FULL TANK. IF I HAD KNOWN ABOUT THESE PROBLEMS I WOULDN'T HAVE TOUCHED THIS CAR. PLEASE HELP. I'M TERRIFIED TO DRIVE THIS CAR.

NHTSA ID
11055620
Incident
Dec 18, 2017
Mileage
132,000 mi
Fuel system
Filed Nov 8, 2017

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.

NHTSA ID
11044693
Incident
Nov 1, 2017
Mileage
61,000 mi
Fuel system
Filed Jul 31, 2017

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.

NHTSA ID
11011663
Incident
Apr 5, 2017
Mileage
132,000 mi
Fuel system
Filed Jul 24, 2017

CAR STARTS HARD AFTER FUELING NO MATTER HOW MUCH YOU PUT IN IT ALSO GAS GAGE FLOATS AND WHEN YOU USE THE A/C YOU CAN LITERALLY SEE THE GAS GAGE MOVING IT USE TO COST ME 35 DOLLARS EVERY TWO WEEKS AND THAT GOING 400 PLUS MILES NOW I GET MAYBE 300 MILES TO THE GALEN WITH MY CHECK ENGINE LIGHT ON NOW AND A CODE THAT READS CHECK GAS CAP THIS PROBLEM IS COSTING ME THOUSANDS OF WASTED MONEY AND TIME

NHTSA ID
11010164
Incident
Jul 10, 2017
Mileage
120,000 mi
Fuel system
Filed May 3, 2017

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.

NHTSA ID
10983309
Incident
Apr 5, 2017
Mileage
200,000 mi
Fuel system
Filed Mar 27, 2017

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.

NHTSA ID
10968753
Incident
Sep 26, 2016
Fuel system
Filed Jan 20, 2017

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.

NHTSA ID
10946578
Incident
Oct 17, 2016
Mileage
100,000 mi
Fuel system
Filed Jan 11, 2017

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.

NHTSA ID
10944326
Incident
Jan 4, 2017
Mileage
124,000 mi
Fuel system
Filed Nov 2, 2016

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

NHTSA ID
10923837
Incident
Oct 26, 2016
Mileage
130,000 mi
Fuel system
Filed Oct 25, 2016

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.

NHTSA ID
10918877
Incident
Sep 1, 2016
Mileage
180,000 mi
Fuel system
Filed May 28, 2016

LEAKING FUEL FROM THE GAS TANK AREA. I CAN SMELL THE GAS AND FEEL FUEL UNDER THE CAR BUT I CANNOT SEE EXACTLY WHERE IT IS LEAKING FROM. IT IS COMING FROM THE TOP OF THE TANK.

NHTSA ID
10871355
Incident
May 15, 2016
Mileage
142,000 mi
EngineFuel systemOther / unspecified
Filed May 17, 2016

TL* THE CONTACT OWNS A 2008 PONTIAC G6. THE CONTACT NOTICED AN ABNORMAL FUEL ODOR COMING FROM THE REAR OF THE VEHICLE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC TO BE DIAGNOSED. THE CONTACT WAS INFORMED THAT EITHER THE FUEL TANK WAS FRACTURED OR THERE WAS A FUEL PUMP LEAK. THE CONTACT ALSO STATED THAT THE CHECK ENGINE LIGHT AND TRACTION CONTROL WARNING LIGHT WERE ILLUMINATED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 80,000.

NHTSA ID
10865468
Incident
Nov 23, 2015
Mileage
80,000 mi

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.

Other components reported on this vehicle

Categories with enough reports to have a page of their own

Elsewhere on this vehicle

Data sources

Data on this page last refreshed .