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Power Strokes
7.3 Tech
7.3 hpop issues???
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[QUOTE="2015sixohno, post: 1433276, member: 22277"] Your answer is yes a high pressure pump will just quit working and give up the fight but that doesn't mean this is your problem. I would connect a scan tool and look at IPR duty cycle % and ICP pressures while cranking and see if ICP pressure increases. That will give you more of an idea where to go. If you have 0PSI on ICP I would check that first. Normally the pumps will build something so you should see a change in pressure. Also IPR 85% is wide open for that valve. If it hits 85 (which it never should) and you have 0PSI on ICP you have a high pressure oil leak or a failed pump. If you crank and ICP goes over 450 around or about I would look into possible IDM system short. Sent from my iPhone using Tapatalk [/QUOTE]
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