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2004 Ford F-150 replaced fuel pump

Tiny
BEAUBRIT
  • MEMBER
  • 2004 FORD F-150
  • V8
  • 4WD
  • AUTOMATIC
  • 30,000 MILES
Truck will not start ** new fuel pump will not turn on, but truck does run if I manually add power via a battery, to the pump the truck will run. The fuel pump will not self-engage***any ideas?

updated 3-1-09
Guys***I am sorry***but what is the PCM? And how do I check it? And the inertia switch? ***Have already checked all fuses***there is power at the fuse end of the fuel pump as well as power at the fuel pump itself, fuel pump will only engage when I hook directly to a battery! *** Where exactly is the fuel pump relay?
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Friday, February 27th, 2009 AT 5:30 PM

2 Replies

Tiny
BILLYMAC
  • MECHANIC
  • 2,204 POSTS
Check the inertia switch. Unser right side kick panel.
Check all fuses
check fuel pump relay
if all are fine pcm prob.
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Friday, February 27th, 2009 AT 5:44 PM
Tiny
MHPAUTOS
  • MECHANIC
  • 31,938 POSTS
Hi there,
Check for power at the fuel pump relay (303) see pic, check power at relay as well.start here.

mark (mhpautos)


http://www.2carpros.com/forum/automotive_pictures/61395_Graphic_106.jpg

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Friday, February 27th, 2009 AT 5:47 PM

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