Check Fuel Fill Inlet Message Display
WARNING: This page is about a different car, the 2013 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
The PCM monitors the fuel tank evaporative emission system for significant leaks that occur following refueling of the vehicle. Once the PCM detects a fuel vapor leak, the PCM sends a fuel fill inlet message to the IPC to display the CHECK FUEL FILL INLET message. The PCM only sets a fault code following a successful cruise test, which is initiated when the vehicle is driven at a steady speed above 64.36 km (40 mi) for a duration of approximately 4-5 minutes. If the PCM is unable to successfully run the cruise test, the IPC does not receive the fuel fill inlet message and the CHECK FUEL FILL INLET message remains off.