Test Description

The numbers below refer to the step numbers in the diagnostic table.

1. 3.  This step tests for a high resistance in the signal circuit and the sensor ground circuit of the fuel level sender.
2. 13.  DTC s will be set in the PCM when you perform this diagnostic table.

Fig 1: Fuel Gage Inaccurate or Inoperative (1 Of 2)

Courtesy of GENERAL MOTORS CORP.

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

Courtesy of GENERAL MOTORS CORP.