Diagnostic Aids
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2001 GMC Savana Special, 2001 GMC Savana Camper Special, 2001 GMC Savana, 2001 Chevrolet RV Cutaway, and 2001 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
Verify fuel level is in the same range as the customer concern. Check for intermittent and poor connections. Refer to FUEL LEVEL SPECIFICATIONS table in order to verify the correct readings for fuel level sender. The FUEL LEVEL REMAINING parameter is available on scan tool in PCM EVAP data list.