Join Date: Jun 2007
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I removed the square headed plug and took it down to the shop and got a guage hooked up.
Question: I get 65psi before starting and stays there when running. I haven't been able to put a load on it with the guage since my valve covers are off and the boost tubes disconnects. Should the pressure fall down quick once the truck is turned off? isn't there a check valve at the input side of the fuel rail that should prevent this? Wondering if i have an injector that is not closing and leaking fuel.
This would explain my poor milage. I have only been getting about 10mpg, with reman injectors and adrenaline hpop pump and custom and stock tuning.
Early 99 F-350 Crew DRW 4x4
Rosewood Stage 2 AB split shot injectors
Powerhungry custom tune
4" Banks with power Elbow
Fords Severe duty AIS (big disappointment)
Banks trans command