Fuel Gage Inaccurate or Inoperative

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 Conditions and Poor Connections. Component Tests and General Diagnostics
- Refer to Fuel Level Specifications (Sedan) Fuel Level Specifications (Extended Sedan) in order to verify the correct fuel level sender readings. The Fuel Tank Level Remaining parameter is available on the scan tool in the instrument panel cluster (IPC) powertrain control module (PCM) Data List or the IPC engine control module (ECM) Data List.

TEST DESCRIPTION

Step 1 - Step 5:

Step 6 - Step 13:

The numbers below refer to the step numbers in 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 PCM/ECM when you perform this diagnostic table.