fuel pressure?

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Old Jul 23, 2003 | 10:14 AM
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neutron91's Avatar
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From: Frisco, TX
Default fuel pressure?

i have a b&m fpr and gauge... when my car is running it only reads about 26psi... i can adjust it however it doesnt change at all until a few minutes after i turn the car off... could my fuel pump be going out?
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Old Jul 23, 2003 | 07:01 PM
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From: Tri Cities, TN
Default Re: fuel pressure? (neutron89)

whats prob happening is your topping the PSI on the pump itself. Your only getting 26PSI b/c your not disconnecting the vac line running to the FPR (most likely) which should be around 36-40 PSI. When a fuel pump is going out it will do it while under a load not while sitting and at idle.
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Old Jul 24, 2003 | 02:40 PM
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Default Re: fuel pressure? (zCivic)

even when i disconnect the vaccum line, nothing happens... the pressure stays the same no matter what... until the car has been sitting a few minutes after turning it off... then the pressure will go up and i will be able to adjust it while the car is off... but the second i turn the car back on, it goes right back down
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Old Jul 25, 2003 | 05:16 AM
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Default Re: fuel pressure? (neutron89)

You used the Spring from the FPR kit and the gasket is not leaking?? Try taking it apart again and check the o-ring see if that got distroyed/pinched. I did have that problem and if I remember it wouldn't adj any higher. I got a replacement o-ring at autozone.
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Old Jul 25, 2003 | 03:09 PM
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Default Re: fuel pressure? (zCivic)

yeah everything is put together correctly and nothing is leaking... i will take it apart and check everything out though... thanks
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