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Power Strokes
7.3 Tech
No High Pressure Oil
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[QUOTE="Vader's Fury, post: 1393061, member: 473"] I have an issue with a truck i am working on where it will not build any High pressure oil. Truck is a 2001 auto 2wd F-450 CC just to fill everyone in. I have tried 3 hpop's. One was from a running truck. New ipr, and known good Ipr. Has lpo, lpo pump is brand new, and if i crank the motor with the hpop removed it will rapidly fill the valley of the motor. I even tried hot wiring the ipr direct to 12v and still couldn't get any hpo. When I remove the hpo line from the head, it will flow oil, but will not build any pressure in the head. This was verified using A/E and also a manual gage hooked directly to the passenger side hpo rail. Any idea's? [/QUOTE]
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