3rd Gen Engine and Drivetrain -> 2003-2007 5.9 liter Engine and drivetrain discussion only. PLEASE, NO HIGH PERFORMANCE DISCUSSION!

Need Help!! Truck wont start!!

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Old 05-09-2008, 05:16 PM
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Need Help!! Truck wont start!!

Cranks, wont start, starts on either runs fine, Lift pump went out, replaced it, fills crank case with fuel. Pulled injectors and had then flow tested, was told they had good pattern and no excessive leak back. Whats goin on here, bad flow tube? flow tube to injector leaking? Opinions, suggestions please chime in here! Thanks!
Old 05-09-2008, 06:00 PM
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when my 03 did thatthe injectors worked other then they were letting fuel back to the tank and not allowing enough pressure to build but they didnt dump fuel. might be a bad flow tube if its still dumping fuel
Old 05-09-2008, 06:06 PM
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Testing , fuel pressure , codes , power to main pump CP3 ?
Old 05-09-2008, 06:12 PM
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did injector kill test, none of them stood out , 8,000psi at idle.
Old 05-09-2008, 10:22 PM
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Fuel System Test

Procedure to follow to diag fuel system problem
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