Fuel pressure? - Ford Powerstroke Diesel Forum
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post #1 of 3 Old 01-13-2014, 06:34 PM Thread Starter
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Fuel pressure?

Ok so my truck previously had the bb mod. Then i put a new fuel pump in it. Didn't think much about it until i started having fuel bowl/lines leaking issues. So i checked my fuel psi and it was spiking from about 55-78 lbs at idle. I took the bb out and its now at about 48-65. Still runs good but is harder starting especially cold. Is the 78lb spike too high? Its ran like that for over a year.

Early 99, 6 speed, ccsb, leveling kit on 35's, 6634, straight pipe, diablo chip.
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post #2 of 3 Old 01-14-2014, 04:12 PM Thread Starter
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Anybody got any advice?

Early 99, 6 speed, ccsb, leveling kit on 35's, 6634, straight pipe, diablo chip.
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post #3 of 3 Old 01-14-2014, 05:09 PM
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55-65 is about normal. Under load (driving) it shouldnt be much higher than 75...

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95' F-350 CCLB DRW POWERSTROKE
08 Axle/4x4 conversion, 5spd conversion, 6637, 5" SP exhaust, gearhead tunes
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