fuel problems - Ford Powerstroke Diesel Forum
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post #1 of 2 Old 10-04-2009, 08:40 PM Thread Starter
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fuel problems

not gettin power to fuel pump can anyone tell me what to look for all fuses are good i dont have wait to start light and programer wont come on whould pcm have anything to do with it

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post #2 of 2 Old 10-17-2009, 11:16 AM
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If everything seems no be checking out fine, I'd suspect a shorted vref at fault, I have incountered a similar concern and what I did was I left the key to the on possition and started unplugging all the sensors with vref like your maf, icp, fan etc. One by one and listen to see if the fuel pump starts up, if the fuel pump comes on when you disconnect for exsample the maf you have a shorted vref at the maf or wiring harness and the truck should start up with this sensor unplugged, if all the sensors check out good I'd try and swap the PCM with a well known good module and see if that may be at fault.
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