One problem related to fuel pump has been reported for the 2001 GMC Sierra 1500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2001 GMC Sierra 1500 based on all problems reported for the 2001 Sierra 1500.
The contact owns a 2001 GMC Sierra 1500. The contact was driving approximately 45 mph and noticed the fuel gauge indicator fluctuated erratically. The failure occurred at any speed the vehicle was being driven. The vehicle was taken to an independent mechanic who stated the fuel pump would need to be replaced. The vehicle was not repaired. The mechanic also expressed that the constant malfunction was a common issue with his vehicle. The manufacturer was made aware of the failure. The approximate failure mileage was 105,000.