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 sender readings. The Fuel Level Sensor parameter is available on the scan tool in the ECM/PCM EVAP Data list.
TEST DESCRIPTION
Steps 1-2:
Step 3:
Steps 4-6:
Steps 7-10:
Steps 11-13:
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 sender.
13. DTCs will be set in the engine control module (ECM)/powertrain control module (PCM) when you perform this diagnostic table.