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Power Strokes
6.4 Aftermarket
Ford 6.4 drive-ability
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[QUOTE="Heavywrecker, post: 1495338, member: 29527"] Ok guys things I have done to the truck..... Replaced the oil cooler Replaced the high pressure pump Replaced the high pressure pump harness Replaced the frp harness under valve cover Replaced the fuel rail pressure sensor with a genuine ford sensor Changed tunes to a much lower setting Added a fass lift pump(about 800 miles ago) The truck acts almost as if there is air in the fuel system Are these prone to getting air trapped in the fuel rails? If so how does one bleed It? It will randomly drop to 2,000 psi or 1500 psi while cruising, slight tip in or out on the throttle and it jumps to 24,000ish or what I would call normal some times 15,000 if it's a Light tip in on the pedal. Also does it in cruise so assuming it's not an issue with the throttle position sensor Thanks again guys! Sent from my SM-G950U using Tapatalk [/QUOTE]
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