Diagnostic Aids

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Ensure that the fuel level is in the same range as the customer concern.
For intermittent diagnosis, Refer to TESTING WIRING SYSTEMS FOR INTERMITTENT & POOR CONNECTIONS in Wiring Systems.
Refer to FUEL LEVEL SPECIFICATIONS in order to verify the correct fuel level sender readings. The fuel level is available on the scan tool in the Fuel Tank Level Remaining (%) parameter in the PCM Enhanced Evap Data list.