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Power Strokes
7.3 Aftermarket
Weird HPOP pressure problem
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[QUOTE="TARM, post: 117481, member: 578"] Did this just happen one day or was it part of a upgrade or did it come on gradually? You get what I am asking. I am with Talyn on the fact of you can not always rely on readings looking ok as certainty the sensor MAP, ICP etc are not the actual issue. Sucks as it sure makes it harder to diagnose. To recap, Both trucks are running the same tunes and same injectors and hpops. As long as you roll into it the truck in questions will build to the tunes ICP requested 3K psi. If you stomp on it no matter what the starting gear, rpm, speed it will only hit 2200 and basically falls on its face with all the smoke etc that comes with it? You noticed aeration bubbles in the oil on the dip stick after less than a min of running with 10 min rest. What about your other truck doing the same thing? What oils are you using? Are they both running the same oil? How many miles and time does the oil have on it currently? Any noticeable changes with a oil change? Can you post up some logs of the the HPOP ICP PSI Duty cycle and % along with PW and note when its stomped vs rolling into Maybe a faulty pop off valve on the HPOP. It sees pressure spike and it causes it to maybe be partially opened/leaking but if brought up slowly it holds. Not typical but figured I would throw that out there. [/QUOTE]
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