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Power Strokes
6.4 Tech
P0088 Hpfp Questions
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[QUOTE="Petro, post: 329470, member: 751"] Recently I have really been watching my Rail Pressure with my Livewire. The few times I have caught it doing this, the rail pressure for example at cruising speed will be sitting in between 50 and 60 (this is what the Live wire reads). While watching the desired and actual pressure readings, the actual reading will climb ever so slightly above the desired FRP, maybe 5 to 10 and then go back to normal. Then i check my codes and there it is. So would a failing pump go for over a month and a half without having any problems? [/QUOTE]
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