Question about 2004 Ford F150

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Yeah, we also tried that

Yes, we tried that and also noticed when we turn the ignition switch on, we could even hear the relay kick on...all relays seem to be working and it's feeding power to the fuel pump, I just cant figure out why once i start it, it's not getting fuel, and eventually dies. Especially if I push the throttle.

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OK check your MAF sensor. It works offa 5 volt reference signal. Use a DVOM (digital volt ohm meter) and not an analog meter. If you go to you can purchase a repair manual subcription good for 1 yaer for less than $20.00. Well worth the money. It will have all the test procedures there as well as wirinf diagrams, component locations TSB's and everything you need to know.

Posted on Dec 27, 2008

  • John Weathers
    John Weathers Dec 27, 2008

    If oyu need anymore help just get back to me OK. Glad to help!!!



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did you check the fuse for it ??

if the wires and relay are good that's the second part of the circuit..the first part is the one that triggers the relay from the ignition switch.. you will need to check that..

you can also bypass the relay and connect the pump directly to the battery to get the car home or to a shop, just remember to take out the wires after,

the problem I'm thinking is in the ignition switch. it could be the wires or a faulty switch this needs to be checked,, to do this, Pull the cover of the relay, you will notice a coil and 2 contacts.. turn the ignition on, press the contacts together and try starting now, if it starts it means its the ignition switch.

ps don't forget to rate this if you found it helpful as it can be of help to others as well.

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