Seven problems related to tank filler pipe and cap have been reported for the 2002 GMC Envoy. The most recently reported issues are listed below.
2002 GMC Envoy has an ses illumination accompanied by a fuel odor, and/or a few drops of fuel on the ground when refueling the vehicle. This is caused by a fracture of a weld on the fuel tank inlet check valve (icv). The icv is located above the full fuel level. A fracture in this area may allow fuel vapors to pass through and allow droplets of fuel to accumulate on the side of the fuel tank as it passes over the fracture during refueling.
: the contact stated while the vehicle was parked in the garage, a strong odor of gasoline was present. The vehicle was inspected by the dealer who determined the filler pipe neck, attached to the storage tank, leaked when the tank was filled with gasoline. The manufacturer was alerted. Updated 10/25/2006 -.
The contact stated while driving the engine check light illuminated. The vehicle was taken to a certified service dealer for diagnostic testing. Upon inspection the mechanic discovered a crack in the fuel tank in the filler pipe. Repairs were made to the vehicle at the contact's expense. This repair remedied the problem. Updated 1/11/2005. The fuel tank was replaced to correct the problem. The consumer requested a refund from the manufacturer because he feels that the filler neck should not have broken.
Check engine light turned on. Taken vehicle to the dealer and found that there was a leak at the filler pipe and fuel tank which allowed fuel and vapors to escape. Dealer will repair for $900. 00.
The check engine light was on. The dealer said that the fuel tank filler neck ruptured causing a leak. The fuel tank had to be replaced. There was no prior repair on the fuel tank or removal of the fuel tank. The owner has contacted the manufacturer to express that the design of fuel tank was bad for the environment. . . . . .
Fuel tank has leak at joint where filler pipe and tank join allowing fuel and vapors to escape. Smelled fuel inside the garage. The dealer service manager said that the weld had failed, that it is a manufacturing defect, and that they had replaced the fuel tank for 2 other Envoys for the same failure. There was no prior repair on the fuel tank or removal of the fuel tank.
Vehicle has a crack in the fuel tank, and fuel is leaking at the filler neck where the neck attaches to the fuel tank. Owner contacted the manufacturer, who was not willing to assist the owner.