Which parts fail
Components named in complaints (fuel pump, injectors, fuel tank, hybrid and EV propulsion).
Mileage when the problem started
Owner reports
Selected complaints filed with NHTSA by 2005 GMC Envoy owners, lightly cleaned up (personal details are redacted by NHTSA).
My accident was May 25th 2018, my back passenger went off of a soft shoulder throwing me into 2 trees, I hit first one and seatbelt came apart but still over one shoulder hitting second tree and only thing that saved me was my right foot was under the brake and not on it, I hit my head on windshield causing me to have vision problems, severe whiplash, and rsd in right leg, I have to have cane, walker, or powerchair, my husband wants a divorce bc of my depression, my kids get fustrasted bc I forget I said something and I continue to repeatedly say thing, I never had none of this wrong with me till this accident and monique hill in claims says none of my injuries nor my family problems have nothing to do with general motors and I didn't hit sensors, I never had a seatbelt on but if that was the case that ding sound wouldn't have stopped! …
Tl* the contact owned a 2005 GMC Envoy. While driving approximately 55 MPH, the driver was flagged down by another driver who noticed smoke underneath the front passenger side of the vehicle. The vehicle was pulled over to the side of the road and became engulfed in flames. The police, department of public safety, and fire department arrived at the scene. The fire department extinguished the fire. Both fire and police reports were filed. There were no injuries reported. The department of public safety diagnosed that the fire was started by a fractured fuel line. The dealer and manufacturer were not contacted. The vehicle was totaled and towed to a tow yard. The failure mileage was 132,000.
Vehicle was stationary and in drive when it had a uncontrolled acceleration resulting in a collision with a garage where it was being parked. Extensive damage resulted to the home and vehicle. No injuries.
Fuel leaked everywhere had to replace the fuel pipe, hose and more pipes. Representatives at GMC adviced me that other vehicles with the same tank has recalls and my vehicle should be part of the recall! I called GMC multiple times and they opened and closed the case without any investigation as they promised! I paid $991.55 for something that should have been covered in a recall. I believe it is recall id 12V459000 just based on my internet searches. GMC is denying me an investigation! Please help me one case # opened with GMC was [redacted] I don't know where I can get my $991.55 back and GMC keeps brushing me off and dismissing me. It is terrible!
Tl* the contact owns a 2005 GMC Envoy. The contact stated that the fuel gauge displayed an empty reading after refueling. The fuel gauge began to display a normal reading the following day. The failure recurred intermittently. The vehicle was not taken to have the failure diagnosed or repaired. There was an investigation under NHTSA action number: dp10001 (fuel system, other:storage:fuel gauge system) that May be related to the failure. The contact also stated that one of the settings for the fan stopped functioning. The vehicle was taken to an independent mechanic where the contact was informed that the wiring harness for the blower motor was melted. The vehicle was repaired. The failure mileage was 89,980.
My son was killed in a rollover accident on 4/18/06. He was ejected through the driver's side door in which the top part of the door was pulled away from the roof of the car during the rollover. By looking at the tire tracks of the accident, he was just entering the on ramp of the road and the tracks show no skid marks, swerving, etc, just a straight line into the ditch as if he didnt have control of the steering or brakes, possible stalling ?? Both tires on the driver's side were flattened. Air bags were never deployed.
When I went out to start my car it wouldn't start so I took the key and my dad my be I need a jump he said no if that was the case the car wouldn't even turn over. I went back out to try it again but still nothing so I began to turn the key back and fourth and eventually it stared. A few minutes the cigarette outlet caught on fire so I unplugged my car charger.
Tl* the contact owns a 2005 GMC Envoy. Upon starting the vehicle, there was an abnormally strong fuel odor inside the vehicle. Upon inspecting the vehicle, it was noticed that fuel was leaking under the vehicle. The vehicle was not diagnosed nor repaired. The manufacturer was notified of the failure. The approximate failure mileage was 58,000.
When stopped in traffic or at a stop light, my vehicle will idle roughly and sometime stall. It does this in drive, neutral and park. I've had it checked and they couldn't find anything wrong. There are no codes showing a problem.
Fuel gauge is erratic. After I fill up the tank, the fuel warning light comes on, the gauge is on empty and the message "low fuel" displays. This happens when the vehicle is stationary, in motion, on a city street and on the highway.
NHTSA investigations
Fuel Level Gauge System Failure
The Office of Defects Investigation has received 668 complaints alleging inaccurate fuel gauge reading while driving in model year 2005-07 Chevrolet Trailblazer, GMC Envoy, Buick Rainier, and Saab 9-7x vehicles.Of the 668 complaints, 58 incidents were alleged to result in a vehicle stall.Of the 58 stalling incidents, 43 complaints reported stalling because the fuel level reading indicated more fuel availability than…
Fuel System complaints in other Envoy years
Frequently asked questions
How common are fuel system problems on the 2005 GMC Envoy?
NHTSA has 226 complaints about the fuel & propulsion system of the 2005 GMC Envoy, 46% of the model year's 488 complaints. The component named most often is storage › fuel gauge system (21 mentions).
Is there a recall for 2005 GMC Envoy fuel system problems?
No. NHTSA lists no fuel & propulsion system recall for the 2005 GMC Envoy, though it has 2 recalls for other components. If the problem is widespread, a repair may still be covered by an extended warranty or a manufacturer service bulletin — ask a dealer.
At what mileage do 2005 GMC Envoy fuel system problems start?
Half of the complaints with a recorded mileage happened before about 75,000 miles, and 2% before 25,000 miles.
Is it dangerous?
Owners linked 3 crashes, 3 fires and 3 injuries and 1 death to fuel & propulsion system problems on this model year. If you notice symptoms, have the car checked before driving further.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.