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Power Strokes
7.3 Tech
Can certain oil instantly ruin an IPR
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[QUOTE="mandkole, post: 1495187, member: 4630"] Ok, with good lpo and fill at res, assumed good pump and IPR, you agree the pressure looks to be lost downstream of the pump. With no pressure build, the whole output of the pump is lost somewhere. I'd look at following; -no electrical signal @ IPR to close the drain for pressure build? -good pump output but pressure loss in the rail(s); major poppet or oring leak Check voltage at IPR during cranking (500psi is about 1.0V and goes up) Could block one head and try to build pressure Pull VCs, turn off the injectors and watch for poppet or oring flow during crank. Lastly, you have the late model pump and gaskets , correct? Its not likely but just checking.. [/QUOTE]
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Can certain oil instantly ruin an IPR
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