Test Description

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

The numbers below refer to the step numbers 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 sensor.
13. DTCs will be set in the PCM when you perform this diagnostic table.

Fig 1: Fuel Gage Inaccurate Or Inoperative Symptom Table (1 Of 2)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Fuel Gage Inaccurate Or Inoperative Symptom Table (2 Of 2)

Courtesy of GENERAL MOTORS CORP.