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Power Strokes
6.4 Aftermarket
Fuel system discussion
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[QUOTE="91turbogsx, post: 662186, member: 14"] I finally got my build running but have a few questions about the fuel system. I have the Airdog regulator maxed out. But when I try to control pressure with the regulator on the Elite AD upgrade it doesn't effect the pressure at all. Also seems to lose it's prime if it sits for a while. Any ideas? And I'm also getting a weird howl from what sounds like the return line. The pressure seems to pulsate a bit between 12-14 psi and the howl goes up and down with the pulsation. It'll eventually stop and settle at 14-15 and the howl becomes solid. Only makes the noise at idle. Guess i'm just curious if anyone has ran into this issue before I start digging back into it. [/QUOTE]
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