Fuel pressure 0 at WOT - Ford Powerstroke Diesel Forum
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post #1 of 4 Old 07-03-2012, 06:12 PM Thread Starter
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Fuel pressure 0 at WOT

when truck is idling its roughly at 68, at about half throttle its at about 50. then at wot it goes to zero. could this be the fuel pump.
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post #2 of 4 Old 07-05-2012, 11:57 AM
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Yes, but it could also be your regulator. I had dropping fuel pressure and thought my pump was bad. A guy on here told me to rebuild my regulator first so I ordered a regulator rebuild kit from RiffRaff and now it holds 70PSI give or take a couple at WOT.

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post #3 of 4 Old 07-05-2012, 12:20 PM
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could be dirty filters or another restriction as well

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post #4 of 4 Old 07-23-2012, 11:57 PM
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Cool fuel pressure

DI makes a kit that guts the ford regulator so you can plumb in a exturnal regulator. The kit is $10.00 shipped.

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