Question about 1988 Ford F 250

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91 Ford F-150

I went fishing one day & came back to my truck & it wouldn't crank so I took it home & put a new fuel pump on it & it still doesn't work checked the fuel relay & that isn't it neither Can someone help me

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  • gloeyes Jun 03, 2009

    U can not hear the fuel pump kick on & I can't find the fuel cut off switch I think it might have 2 on there but I can't find it... can you help

  • gloeyes Jun 04, 2009

    If you could help it would be greatly appreciated:)



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First up, a bad fuel pump has naught to with an engine cranking
check your fuses, next if automatic, put the car in neutral then try to start it
sometimes the safety switch sort of jams
if this is problem start in neutral then it should reset itself and start in park again

Posted on Dec 14, 2010

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Check the ground wires and the battery terminals if they got shook up during the trip. The batteries out there sometimes die on you for some reason. If the lights or the horn is weaker then the usual it might be the battery. Check also the starter relay, the cables and the capacitors

Posted on Jun 03, 2009

  • Nicolo Carlo Parazo Jun 04, 2009

    I am not that familiar with the F150 but I will see what I can do.

    Most Ford products the fuel pump can be heard, when you first turn the key on it should run for several seconds, makes a whirring or humming noise. Otherwise a fuel pressure guage is needed to check fuel pressure.

    The best thing to do is get it checked for codes in the system. Another problem these trucks had was water leaking from the top left of the windshield, and making it's way to the fuse panel. This would either short out some circuits or cause a corrosion in the connector or GEM module, which is mounted on top of the fuse panel. This will usually result in several electrical problems, one of which is stalling or not starting.

  • Nicolo Carlo Parazo Jun 04, 2009

    also check the relay for the fuel pump if it clicks. If not you could check out the wiring or the relay itself.



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