Test Description

WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

The number(s) below refer to the step number(s) on the diagnostic table.

3. This step tests for a high resistance in the signal circuit and the low reference circuit of the fuel level sender.
13. DTCs will be set in the PCM when you perform this diagnostic table.

Fig 1: Fuel Gage Inaccurate Or Inoperative Diagnosis (Steps 1-4)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Fuel Gage Inaccurate Or Inoperative Diagnosis (Steps 5-13)

Courtesy of GENERAL MOTORS CORP.