Fuel Gage Inaccurate or Inoperative
FUEL GAGE INACCURATE OR INOPERATIVEDIAGNOSTIC AIDS
- Ensure that the fuel level is in the same range as the customer concern.
- For intermittent diagnosis, refer to Diagnostic Aids for Circuit Testing and Wiring Repair procedures.
- Refer to Fuel Level Specifications in order to verify the correct fuel level sensor readings. The Fuel Tank Level Remaining parameter is available on the scan tool in the PCM EVAP Data data list.
TEST DESCRIPTION
Steps 1 - 2:
Steps 3 - 4:
Steps 5 - 9:
Steps 10 - 13:
The numbers below refer to the step numbers on the diagnostic table.
2. Access the fuel level sender through the access panel in the trunk.
3. This step tests for a high resistance in the signal circuit and the low reference circuit of the fuel level sensor.
13. DTCs are set in the PCM when you perform this diagnostic table.