too much fuel pressure? - Ford Powerstroke Diesel Forum
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Old 02-10-2012, 05:52 PM
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too much fuel pressure?

well i did the stud, gaskets oill cooler, blue spring mod, egr delete new turbo, new 58v ficm and more

anyways i was having a problem of running a bit then it would start to run like crap, bucking and not shifting etc

anyways i finally got my fpg hooked up today and i think i found my reason

i have 76psi at idle runs fine, take of and i climbs to 80-82 (runs like ****) stop on the side of the road let it idle stays at 80 psi about

shut it down a few mins, or play with the gas pedal, get it to drop back to 75-76 runs fine again

so back to my old clear spring? or what now?
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Old 02-11-2012, 07:13 PM
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Hmmmm, are you sure you didnt pinch a return line. Mine is at 70psi with the spring. Weird how it increases with throttle. Maybe there was a spacer in there already?

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