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 Level Sensor parameter is available in the scan tool in the PCM data list.
TEST DESCRIPTION
Steps 1 - 2:
Step 3:
Steps 4 - 6:
Steps 7 - 11:
Steps 12 - 13:
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 powertrain control module (PCM) when you perform this diagnostic table.