Diagnostic Aids

WARNING: This page is about a different car, the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.

Verify that the fuel level is in the same range as the customer concern.
For intermittent diagnosis, refer to TESTING FOR INTERMITTENT AND POOR CONNECTIONS .
Refer to Fuel Level Specifications in order to verify the correct readings for the fuel level sensor.

Fig 1: Fuel Gage Inaccurate or Inoperative (Diesel) (1 Of 3)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Fuel Gage Inaccurate or Inoperative (Diesel) (2 Of 3)

Courtesy of GENERAL MOTORS CORP.

Fig 3: Fuel Gage Inaccurate or Inoperative (Diesel) (3 Of 3)

Courtesy of GENERAL MOTORS CORP.