2009 Pontiac G5 fuel/propulsion system problems
27 owner complaints filed with NHTSA name the fuel/propulsion system on the 2009 Pontiac G5 — 36% of all complaints for this model year.
What owners report
“All gauges on dash starting going up and down, Anti theft light, power steering light, low fuel light. Car slipping or having hard time going and possibly the key transponder ignition / chip key anti theft shut down.”
filed Apr 7, 2026
“My 2009 Pontiac G5 was driven to work this morning 6-10-21and parked in a Michigan State vehicle garage. Security notified me at work that my vehicle had a puddle of gas under and near a rear tire. I removed vehicle frome parking garage and parked it in a remote open parking lot. A gas leak in a…”
filed Jun 10, 2021
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Fuel/propulsion System problems in other G5 years
| Year | Reports | Share |
|---|---|---|
| 2008 G5 | 29 | 25% |
| 2007 G5 | 41 | 22% |
Other reported problem areas on the 2009 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.