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Power Strokes
6.7 Tech
Extended cranking, fuel system tests.
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[QUOTE="lincolnlocker, post: 1563435, member: 944"] You're not ok if its still a long crank. Not sure what the specs are but low pressure fuel should be at and stay at 80psi at idle or wot. I can see a drop to 76psi every once in a while but that is rare. When my brothers lpfp pump went out, it was doing exactly what yours is doing. It tripped the low pressure warning like once. Threw on my spare lpfp off my 12 because i thought i had an issue there back when i had it. ***er holds 82psi all day long now. My turning might be a bit more aggressive than his as his never drops below 80psi. I told him i wanted to trade it for mine. Lol.. my 15 has 250k on the clock. That 12 pump has like 110k on it. My brothers lpfp tanked at 90k and thats a 15 as well. [/QUOTE]
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Extended cranking, fuel system tests.
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