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Power Strokes
94-97 Tech
Quits when warm 7.3 1995
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[QUOTE="mandkole, post: 1491876, member: 4630"] If the bowl quickly fills with cranking pressure, lets assume that the pump is working for the moment. Screw a gauge into the Schrader valve-- the gauge will bounce due to the mechanical pulse but 60 psi is enough for decent operation. If you pull the cap and filter out of bowl, the bowl will be part full (displacement of the filter assy). Half full with filter inside is not normal. Any fuel leaks? does it smell of fuel under the hood after driving? Does the truck run well when cold or barely warm? If you accelerate it cold, does it pull normally? Other red flags; -dying with hot oil is often an HP oil related issue due to oring leakage or pressure loss somewhere. Thicker cold oil will perform better and hold pressure then dies when hot. Get it on an OBD2 reader to determine ICP at idle and under demand. You need 500 psi to idle, and it should rise as pressure is commanded up towards 2500psi on stock tuning. -I read that you ran it out of fuel. You could have broken components, or debris, in the fuel pickup assembly in the tank which is preventing good flow under higher demand. May need to blow out the supply line to dislodge any debris and/or possibly create a temporary clean fuel supply and tap the system into it. if you get improvement in performance, your issue is in the tank. Try to provide feedback to this first, then move forward. [/QUOTE]
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94-97 Tech
Quits when warm 7.3 1995
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