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erratic fuel pressure
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  1. 6.0 Motor problems
    I have an 03 6.0 and was getting 50psi at idle, ~42psi WOT. So I put in the blue sring upgrade. At first it gave me 58-59 at idle and 50 WOT. Its been a few days now and and Idle psi has settled at 55. At seemingly random times, driving or idle, fuel pressure will drop sharply as low as 39psi...
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