2003 GMC Envoy fuel/propulsion system problems
26 owner complaints filed with NHTSA name the fuel/propulsion system on the 2003 GMC Envoy — 7% of all complaints for this model year.
What owners report
“Fuel indicator bounces from Empty to full in the matter of seconds while going down the road. Also, issues with mileage range reported as the fuel indicator is fluctuating.”
filed Jul 6, 2025
“Check engine light stays on. Had a diagnostic done and they said there's a gas leak coming from the gas tank fuel inlet valve. Common problem for the gmc envoy and correction involves replacing the whole fuel tank costing an average $1,400. Dangerous to drive if left untreated. Called gmc corporate…”
filed Sep 30, 2020
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Fuel/propulsion System problems in other Envoy years
| Year | Reports | Share |
|---|---|---|
| 2007 Envoy | 12 | 6% |
| 2006 Envoy | 32 | 9% |
| 2005 Envoy | 30 | 6% |
| 2004 Envoy | 38 | 10% |
| 2002 Envoy | 19 | 4% |
Other reported problem areas on the 2003 GMC Envoy
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.