Diagnostic Aids
WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
- Verify 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 .
- Refer to Fuel Level Specifications in order to verify the correct readings for the fuel level sensor. The Fuel Tank Level Remaining parameter is available on the scan tool in the PCM Enhanced EVAP data list.