2011 expedition (122,000 miles) started with a "check fuel fill inlet" light. Took into mechanic and $500+ later they replaced fuel filler. 2 weeks later "check engine" light comes on. Mechanic says its a bad o2 sensor. I know there are 4 and I left. I looked online and says pretty easy to replace. After I left "check engine" light is no longer on but the "check fuel fill inlet" light is back on. Someone said it might be my vapor management valve that needs to be replaced (EVAP IS WHAT I THINK THEY CALLED IT). HELP!
What makes this problem better or worse?
Nothing
How long has your 2011 Ford Expedition had this problem?
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$500 later a fuel filter was replaced?!
You need a new "mechanic" -- especially since the problem was never resolved.
Guessing is going to get you nowhere, just like the guessing your "mechanic" did. Seek professional guidance from a reputable shop - here's a list of folks near you:
https://repairpal.com/repair-shops/ford-repair-and-service-in-sugar-land-texas
