2008 Pontiac G6 fuel/propulsion system problems
52 owner complaints filed with NHTSA name the fuel/propulsion system on the 2008 Pontiac G6 — 5% of all complaints for this model year.
What owners report
“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.”
filed Apr 8, 2026
“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…”
filed Dec 2, 2019
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Fuel/propulsion System problems in other G6 years
| Year | Reports | Share |
|---|---|---|
| 2010 G6 | 7 | 3% |
| 2009 G6 | 36 | 5% |
| 2007 G6 | 82 | 7% |
| 2006 G6 | 76 | 4% |
| 2005 G6 | 20 | 3% |
Other reported problem areas on the 2008 Pontiac G6
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.