What is your question?
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What is your question?
What is happening or going wrong when notice comes on, " check fuel fill inlet' ?
What makes this problem better or worse?
Nothing
How long has your 2012 Ford F-150 had this problem?
A few days

1 Reply
Sounds like the flapper valve on the fuel pipe might be leaking evaporative gases. Testing will need to be performed to find out what trouble codes are present, then testing from there is needed to determine what needs to be done to repair the concern.