Question about 2005 Ford F-150

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I have a 2005 Ford F-150 5.4L V8 with 140K miles that won't start. Turns over fine. Suspect ignition system or outside possibility of fuel filter. What should be checked and how?

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I would start by checking the FPDM ( Fuel Pump Driver Module ) on the cross member by the spare tire.

Drop the spare tire, and check the FPDM to see if it is cracked. My 2006 the case was cracked when I changed it, sure it was not too long before it would have cracked the circuit board

Taken pointing the front of the truck, driver's side rear tire on the left of the picture, the cable to the right is for the spare tire.

I have a 2005 Ford F-150 5.4L V8 with 140K miles - sscullys_70.jpg

This is how far mine had cracked
sscullys_71.jpg

This is what the fuel inertia switch feeds power to, and the PCM controls to operate the fuel pump.

Posted on Jan 04, 2011

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