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#1
03-22-2006, 05:12 PM
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dropped Fuel Pressure?
I installed a Aeromotive fuel regulater, with gauge, as well as a Walbro 255HP, and a fuel pump rewire, and i was wondering... When the car is off after running, the car slowly looses fuel pressure, after about an 25ish min, its back to 0 psi... and when i start the car, it has to crank a little before starting, is this normal for a aeromotive FPR? walbro255hp? there are no noticible fuel leaks... just concerning me. any help?
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#2
03-22-2006, 05:50 PM
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Re: droped Fuel Prussure?
fuel pressure usually goes down after your car sits for a while. As long as its on an instant thing I wouldnt worry about it
__________________
 2004 Flame Red SRT-4 |Audiobahn 1200Q|Rockford 602s|Jensen flip out dvd| Mods: 
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#3
03-22-2006, 05:59 PM
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Re: droped Fuel Prussure?
it goes down, but there should always be a decent amount of pressure there. There is a problem, i just can't think of it.
__________________
now - 2000 civic soon - 2002 is300
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#4
03-22-2006, 06:11 PM
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Re: droped Fuel Prussure?
Leaking injector/s is about the only thing that it could be unless you somehow got a bad regulator
__________________
2004 Flame Red SRT-4 |Audiobahn 1200Q|Rockford 602s|Jensen flip out dvd| Mods:
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#5
03-22-2006, 09:15 PM
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Re: droped Fuel Prussure?
when i got the regulator, the 1/8th pt hole (where the gauge screws in) it needed to be rethreaded... could that be the problem? i also used Teflon (s/p) tape on the threading for the gauge... pressure Drops tremendiously slow... but it drops all the way to 0 on the gauge... but the car runs FINE! it just takes a second or to for it to start when its cold (fuel pressure settled @ 0)
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#6
03-22-2006, 09:52 PM
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Re: droped Fuel Prussure?
Quote:
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#7
03-22-2006, 09:57 PM
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Re: droped Fuel Prussure?
Probably but what I listed are possible causes for fuel pressure drop. I guess it might not strat right away since gas doesnt burn in a liquid state
__________________
2004 Flame Red SRT-4 |Audiobahn 1200Q|Rockford 602s|Jensen flip out dvd| Mods:
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#8
03-22-2006, 11:54 PM
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Re: droped Fuel Prussure?
hmm... so what do you sugest i do?
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#9
03-22-2006, 11:59 PM
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Re: droped Fuel Prussure?
do a leak down test if you can but I would probably just live with it
__________________
2004 Flame Red SRT-4 |Audiobahn 1200Q|Rockford 602s|Jensen flip out dvd| Mods:
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#10
03-23-2006, 06:36 PM
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Re: dropped Fuel Pressure?
i'll just live with it... it only takes a secont or two to start... so... EH... thanks guys!
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#11
03-25-2006, 10:01 AM
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Re: dropped Fuel Pressure?
hey man my car does the same thing i just installed a walbro 255 and a sard racing FPR...
__________________
92 240 sr20det bolt ons t28 stripped hatch (white knight) 91 300zx tt daily driver stillen exhaust, stillen down pipes jwt ecu, 18x10 rear 18x8.5 front adr wheels hks line controller etc..
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