2006 GMC Envoy Denali fuel system, gasoline problems
18 owner complaints filed with NHTSA name the fuel system, gasoline on the 2006 GMC Envoy Denali — 21% of all complaints for this model year.
What owners report
“At every fillup we can smell gas like there is a fuel leak. I had a shop do a fog test and they confirmed a leak "somewhere from the top of the tank". The tank would need to be dropped to visually inspect at a cost of $400-$500 just for the dropping of the tank. Then there would be added costs to…”
filed Aug 31, 2017
“While driving the vehicle the air will let out of the shocks, also happens when vehicle is parked. Ssometimes air will not even elevate shocks when vehicle is turned on. Also randomly while vehicle is started whwther the fuel tank is full or empty or inbetween it will go from accurate level to…”
filed Jun 28, 2014
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Fuel System, Gasoline problems in other Envoy Denali years
| Year | Reports | Share |
|---|---|---|
| 2007 Envoy Denali | 3 | 9% |
Other reported problem areas on the 2006 GMC Envoy Denali
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.