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FUEL PRESSURE PROBLEM

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Old 08-28-2003, 09:09 AM
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Default FUEL PRESSURE PROBLEM
EG b18c1 swap, cams, p&p, other mods.. Car is idling at around 50psi and the WOT is at 25-30psi! Car is running like crap. Anything ? I NEED HELP! Thanks
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Old 08-28-2003, 09:53 AM
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Default Re: FUEL PRESSURE PROBLEM (93preludeh22)
sounds like the pump is weak or strained. i bet its the stock pump. i had to upgrade mine when i swapped
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Old 08-28-2003, 10:42 AM
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it has a 255lph pump... i don't know about that :D
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Old 08-28-2003, 12:08 PM
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Default Re: (93preludeh22)
gimped fuel pressure regulator
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Old 08-28-2003, 12:09 PM
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Default Re: FUEL PRESSURE PROBLEM (93preludeh22)
What FPR are you running? B&M?
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Old 08-28-2003, 05:54 PM
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It's a NOS FPR... I don't know about it
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Old 08-28-2003, 06:00 PM
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Also, I -just- changed the fuel filter and the car is idling funny... it sounds like it has a vacuum leak.. It pulses badly. help!
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Old 08-28-2003, 06:01 PM
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Old 08-28-2003, 06:34 PM
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Default Re: (93preludeh22)
I would check vacuum lines, and lower your fuel pressure. You throwing codes?
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Old 08-29-2003, 04:57 AM
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The fuel pressure is low, that's the problem... Which vacuum lines do I check? Also, it wasn't doing that before I changed the fuel filter (pulsing that is.).
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Old 08-29-2003, 07:46 AM
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Default Re: FUEL PRESSURE PROBLEM (93preludeh22)
I HAVE THE SAME PROBLEM IN MY CIVIC...
JACKSON SUPERCHARGER
THE JACKSON FPR WONT TURN IT DOWN PAST 50PSI! INSTALLED A VORTECH FPR... SAME PROBLEM! PLEASE HELP!!!!
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Old 08-29-2003, 07:59 AM
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Default Re: (93preludeh22)
Maybe it's the fuel filter. Is is aftermarket or OE?
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Old 08-29-2003, 11:59 AM
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im running a 255lph, b&m fpr and guage. im running 50psi with the hose off, pinched. it was at 45, and i was running lean. it dips to about 40 when i open the throttle wide. runs fine
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Old 08-29-2003, 01:32 PM
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OE Fuel Filter. HELP!
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Old 08-30-2003, 06:15 AM
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replaced the fuel pressure regulator, works fine. Got a bad idle still! HELP!
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