2008 Pontiac G5 fuel/propulsion system problems
29 owner complaints filed with NHTSA name the fuel/propulsion system on the 2008 Pontiac G5 — 25% of all complaints for this model year.
What owners report
“1. Fuel Leak 2. Fuel leaking in driveway, car has potential to catch fire if driven 3. Suspected leak and odor was reported 4 years ago. Dealer said the recall did not apply to my car. After receiving an email reply back from GMLegalUpdate department indicating they would cover the "fuel line"…”
filed Mar 27, 2025
“Car leaks gas toward front of car driver side after it has been running. It also has an odor of gas radiating around the car after it has been run. This car has been recalled for this problem in regionally hot states. Gm alan adler said they would repair cars that has the problem outside of the…”
filed May 4, 2020
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Fuel/propulsion System problems in other G5 years
| Year | Reports | Share |
|---|---|---|
| 2009 G5 | 27 | 36% |
| 2007 G5 | 41 | 22% |
Other reported problem areas on the 2008 Pontiac G5
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.