Have Ford Questions? Ask a Mechanic for Answers ASAP
Welcome, I'm Chris (aka Moose) I prefer to work when others don't, I am here around lunch and after dinner till after midnight.
Are you running OEM or a aftermarket fuel filter?
Any signs of a fuel leak seen anywhere at connections?
Are you getting alot of air during the bleed?
Are you saying you have never replaced the fuel filter? I have got to run but will be back in about 4-5 hours.
4-5 hours, F250 rear tire blow out, new tires, turned into 9 hours., sorry.
With your fuel gauge hooked up, start the engine and open the release valve on your gauge, see if the fuel is coming out aerated. Block off one head at a time and recheck the aeration. If either head is blocked off and the concern is gone, suspect an injector or injector o-ring issue. If both heads are completely blocked off, and still aerated, there is likely a high pressure pump issue. Check for metal contamination in the fuel. If that is found, the pump and injectors and most of the fuel system will likely need to be replaced.
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Glad I could help.
Hello again Chris here,