Diagnostic Aids
WARNING: This page is about a different car, the 2002 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
- 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 .
- Refer to Fuel Level Specifications in order to verify the correct fuel level sender readings. The Fuel Tank Level Remaining parameter is available on the scan tool in the PCM EVAP Data list.