One problem related to tank filler pipe and cap has been reported for the 2001 GMC Sierra 2500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2001 GMC Sierra 2500 based on all problems reported for the 2001 Sierra 2500.
When starting up vehicle consumer can here knocking noises coming from motor. Also rattling noise coming from under vehicle. Dealer notified. The engine knocks when starting cold. Rear passenger side door makes noise. The steering column shows rubbing sound. The driver side speaker fell off. Right front window makes grinding noise when goes up or down. Passenger side power window regulator failed. Fuel door bumper failed. Left front door lock switch came off.
| Tank Filler Pipe And Cap problems | |
| Gasoline Fuel System problems | |
| Fuel Injector problems | |
| Fuel Pump problems |