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Pinpoint Test AJ : The Check Fuel Fill Inlet Message Is Never Or Always Displayed: Notes

Diagnostic Overview 

Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Diagnostic Methods in Service Information for information about these practices.

Normal Operation and Fault Conditions 

Refer to Check Fuel Fill Inlet Message Display in Information And Message Center .

If the IPC does not receive the fuel inlet status from the PCM for 5 seconds, the IPC sets DTC U0100:00 in continuous memory and defaults the CHECK FUEL FILL INLET message off.

PCM DTC Fault Trigger Conditions 

DTC Description Fault Trigger Conditions
P0457 Evaporative Emission System Leak Detected (Fuel Cap Loose/Off) Sets in the PCM if the PCM detects a significant evaporative fuel system leak after refueling occurs.

Possible Sources 

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