Fuel Gage Inaccurate or Inoperative

DIAGNOSTIC AIDS
^ Ensure that the fuel level is in the same range as the customer concern.
^ For intermittent diagnosis, refer to Testing for Intermittent and Poor Connections in Diagrams.
^ Refer to Fuel Level Specifications in order to verify the correct fuel level sensor readings. The Fuel Level (V) parameter is available on the scan tool in the IPC data list.

TEST DESCRIPTION

Steps 1-4:

Steps 5-12:

The number(s) below refer to the step number(s) 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.
12. DTCs will be set in the ECM and IPC when you perform this diagnostic table.