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n8s92fox
noob
Joined: Fri Nov 13, 2009 2:09 pm
Posts: 10
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 new injectors I just put some 42 lb/hr injectors in my car recalibrated the maf for them(c&l 76mm),the FMU put some autolite 24's in and a UPR boost master tube. Started the car up let it run for a few shut it off went to start it again and now it won't start. It's weird I have a wide band a/f gauge in the car usually when I start it the gauge reads 22.0 until it turns over once the car is running the gauge starts reading the a/f ratios like normal but after I shut it off this time and went to start it up it started reading like the car was running but the car wasn't because it won't start the gauge is reading that its rich. Its odd it's like the car is flooded  Any suggestions and what it could be?
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| Mon Jan 11, 2010 12:06 am |
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Big_Tiger
Founding Member/Supporter/Contributor
Joined: Fri Jun 23, 2006 1:39 pm
Posts: 1839
Location: Lookin up
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Re: new injectors What is your fuel pressure at? Could have a defective injector.
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'91 Mustang
With just about every part replaced, not because I wanted to, but because the damn car keeps breaking down!
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| Tue Jan 12, 2010 6:24 pm |
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n8s92fox
noob
Joined: Fri Nov 13, 2009 2:09 pm
Posts: 10
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Re: new injectors fuel pressure is 39 lbs at idle
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| Wed Jan 13, 2010 4:03 am |
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Blind
Founding Member
Joined: Wed Jul 05, 2006 6:06 am
Posts: 1035
Location: Camarillo, CA
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Re: new injectors pretty common to have warm restart flooded problems with 42lb injectors/maf/fmu.
need a tune and to ditch the fmu to fully solve it.
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1989 Mustang LX Coupe - ex 2.3/a4ld - Procharged H/C/I 5.0/T5/5 lug...etc
1991 Mustang LX Convertible - 5.0/AOD/3.55s/rear disc
1997 Mustang GT Coupe - Aluminum DOHC 32v 4.6/T45/IRS
1996 Tahoe Sport 2dr 4x4 Vortec 5.7L/4L60e
2002 F150 Harley-Davidson #09617 Supercharged 5.4L/4R100...13.5psi, FTVB, Ram air, Hotchkis swaybars, 3" rear drop shackles, bilsteins
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| Wed Jan 13, 2010 3:28 pm |
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n8s92fox
noob
Joined: Fri Nov 13, 2009 2:09 pm
Posts: 10
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Re: new injectors ya i need to get it tuned everybody says ditch the fmu.
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| Thu Jan 14, 2010 4:40 am |
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vermilliongt
Founding Member
Joined: Fri Jun 30, 2006 7:11 pm
Posts: 169
Location: Longmont, CO
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Re: new injectors did you ever get it fixed?
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92 Vermillion Red GT 32,000 orig. miles
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| Tue Mar 30, 2010 7:22 pm |
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86fiveoh
Renegade
Joined: Fri Aug 31, 2007 5:13 pm
Posts: 641
Location: West Chester, PA
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Re: new injectors Isn't there like a flooded start procedure on something on the efi mustangs? Thought it was just like old cars, push the pedal to the floor then start it.
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| Tue Mar 30, 2010 11:49 pm |
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jon_daniels
Founding Member/Supporter/Contributor
Joined: Mon May 29, 2006 1:12 am
Posts: 5343
Location: DALLAS
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Re: new injectors 86fiveoh wrote: Isn't there like a flooded start procedure on something on the efi mustangs? Thought it was just like old cars, push the pedal to the floor then start it. that's how i understand it to work
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Jon - 89 GT t5 3.73
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| Thu Apr 01, 2010 10:20 pm |
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