GMC Envoy owners have reported 364 other fuel system related problems since 1996. Table 1 shows the 8 most common other fuel system problems. The number one most common problem is related to the vehicle's other fuel system tank assembly (136 problems). The second most common problem is related to the vehicle's other fuel system (97 problems). For details of each of the problem category, use the links in the table.
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. Read details...
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. Read details...
The fuel gauge shows empty when there is fuel in vehicle Read details...
Fuel odor -strong, from region of fuel tank. Loss of fuel while driving, far more than normal useage! investigation shows faulty tank to fill line connection at tank 'spout'. Or fault at fuel pump area- hidden on top of tank. Parked strong gas odor. Driving or on grade, fuel loss ! Read details...
The fuel fill line is broken from the gas tank. I was filling the tank for holiday travel and the the tank began to leak. Every tank that is ordered by the repair shop is damaged in the same place Read details...