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Power Strokes
7.3 Aftermarket
Weird HPOP pressure problem
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[QUOTE="Hotrodtractor, post: 121635, member: 25"] Yes - if the injector is not seated all the way then that could be your problem. Oil pressure could build up and blow by the top o-ring. It definitely causes a leak in the fuel passages where fuel will drip into the cylinder - hopefully you just need to pull them and inspect the coppers and the o-rings. If you have one that is not seated all the way it will eventually burn through the lower o-rings and cause a pretty major fuel leak into the cylinder and you'll definitely know it then. Start by pulling the valve covers and starting the engine to look for "extra" oil leaks around the injectors - if nothing stands out - pull the sticks back out and look for clues. [/QUOTE]
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