fuel problems!!!!

Old Jun 17, 2002 | 09:28 PM
  #1  
V8 BAIT's Avatar
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From: Colorado Springs, CO, USA
Default fuel problems!!!!

here it is as brief as possible. my boosted hybrid crx has been running CRAZY rich since my turbo install. ive tried leaning it out with my vafc, tried running without my inline pump,replaced my fuel pressure reg,installed an msd,and even upped the boost just for the heck of it.i heard that normally when injectors go bad you run lean but haven't tested them yet.would it maybe be the FMU...? any suggestions will be appreciated cause im just plain sick of this 14 mile per gallon crap!
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Old Jun 17, 2002 | 09:40 PM
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V8 BAIT's Avatar
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Default Re: fuel problems!!!! (v8bait)

almost forgot, my idle is rough with bad hesitation when you try to rev . its almost like it floods and the same thing happens occasionally when just driving at a steady rpm. it kind of loads up or bogs / hesitates .thats the best description of yhe problem i can give...
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Old Jun 17, 2002 | 10:11 PM
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Default Re: fuel problems!!!! (v8bait)

Sounds like the FMU is either installed wrong, or its stuck open. Check that out
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Old Jun 17, 2002 | 10:16 PM
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Default Re: fuel problems!!!! (93LSivic)

I think I remember this topic awhile back and people said check the polarity on the inline pump...I dont think the FMU would cause a bad idle
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Old Jun 18, 2002 | 03:45 PM
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Default Re: fuel problems!!!! (93LSivic)

how can i test whether or not the FMU is stuck.... should i just take it off temporarily and drive on really low boost to see if it runs leaner ?
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Old Jun 18, 2002 | 03:53 PM
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Default Re: fuel problems!!!! (v8bait)

how can i test whether or not the FMU is stuck.... should i just take it off temporarily and drive on really low boost to see if it runs leaner ?
Take it apart and see if the metal cylinder slides in and out smoothly.
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