2007 expedition El fuel pump problem

Keith92487 · Aug 28, 2016

I recently towed my 28 foot travel trailer 280 miles, made it no problem, the day I went to leave it started no problem then quit while waiting inline at the Rv dump station, I could not hear the pump run/prime so I checked the fuse and switched the relay around, could not get it going, it had 12volts at the inertia switch at the back of the truck, even beat the gas tank to try and get the pump going, After 4 hours of playing with it I had it flat bedded 200 miles with AAA where it fired right up on the trailer. Do you guys think it's my pump going bad or a wiring issue, had a heavy rain the night before this.
Thanks

Keith92487 · Aug 29, 2016

Okay it quit again, would you go with a Delphi pump or a original motorcraft pump, both are around 240 dollars on rock auto, the only reason I'd go with Delphi is because they say the connectors are improved. Truck has 203k miles

docraymund · Aug 29, 2016

Well check first if the pump is really bad. See if you can apply 12 volts directly to the pump itself. If it spins, then most likely you have a wiring issue.

Bedrck47 · Aug 29, 2016

I would also check on e-bay for the Delphi pump

Keith92487 · Aug 29, 2016

Okay I still have to drop the tank

Keith92487 · Aug 29, 2016

Does anyone know if the 2007 had a fuel pump driver module? I can't find it and the dealer insist there is one

Bedrck47 · Aug 29, 2016

The fuel pump driver module was only on the 05/06 expeditions and was located on the drivers side frame rail above or near the spare tire

Have attached the wiring diagram for the 07 fuel pump

Keith92487 · Aug 29, 2016

Thanks for that, I wish it had the module seems it would of been a easy fix, il let you know the outcome

Bedrck47 · Aug 29, 2016

it would be an easier fix but maybe more expensive With the mileage on that expy your better off replacing it now before winter hits your area

The Swagonmaster · Sep 1, 2016

Before you spend any more time or money check the fuel pump relay and the pin connections under it, both famous for sneaky problems.

2007 expedition El fuel pump problem

Keith92487

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Keith92487

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docraymund

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Bedrck47

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Keith92487

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Keith92487

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Bedrck47

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Keith92487

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Bedrck47

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The Swagonmaster

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