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Discussing Rich, high idel, glowing headers. in the General Tech Forum. it is a 1994 5.0 Ok, my Cobra is almost on it's feet ... Modded Mustangs is the premier Ford Mustang Forum on the internet. We discuss all aspects of the Ford Mustang on the forum. Registered Users do not see the above ads. Please Register - It's Free! |
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April 11th, 2007, 03:37 AM
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#1 |
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Regular
1994 Mustang Cobra
it runs now. Kinda...
Join Date: Mar 2007
Location: Rocklin, ca
Posts: 71
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Rich, high idel, glowing headers.
it is a 1994 5.0
Ok, my Cobra is almost on it's feet so to speak. The only problem left is that it is ideling around 18k rpm and it is running really rich, you can smell it and the headers are glowing orange after i let it run for a few. This is why I love SFI (sequestial fuel injection.) I have been stuck with this for a while and was wondering if any one might know anything at all... really. Here are things that I have thuroughly tested and I am positive are not the problem... MAF, EGR, TPS, O2s are good, cats are new, no vacum leaks, good back pressure, injectors are fine, no fuel leaks, pleanty of good clean gas, check valves are good... Other than this stuff what on earth could it be? |
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April 11th, 2007, 03:08 PM
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#2 |
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Feb 08 ROTM
1990 Mustang LX
9.36@143 mph
Join Date: Jan 2006
Location: Fond du Lac, Wisconsin
Posts: 7,389
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Retarded ignition timing
__________________
Racing in memory of Dave Bandt 11/19/69 - 3/23/08 "he's traded his wheels for wings" Professor of Natural Aspiration  Thanks to: Artie at Trick Flow, Dave at Team Z Motorsports, Brian at Total Engine Airflow and Harold at Furo Racecraft |
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April 11th, 2007, 10:37 PM
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#3 |
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Regular
1994 Mustang Cobra
it runs now. Kinda...
Join Date: Mar 2007
Location: Rocklin, ca
Posts: 71
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I will give it a try...
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April 13th, 2007, 09:31 PM
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#4 |
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Regular
1994 Mustang Cobra
it runs now. Kinda...
Join Date: Mar 2007
Location: Rocklin, ca
Posts: 71
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Nope it is right at 10BTDC
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April 22nd, 2007, 07:22 PM
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#5 |
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Enthusiast
1991 LX, 2003 SNK, 2007 S
11.3
Join Date: Dec 2006
Location: Oklahoma City
Posts: 956
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your idle speed you shouldnt be running 18krpm
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April 24th, 2007, 09:57 PM
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#6 |
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Regular
1994 Mustang Cobra
it runs now. Kinda...
Join Date: Mar 2007
Location: Rocklin, ca
Posts: 71
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sorry, 1,800rpm and i found the prob...
It was the EGR vacuum pressure regulator solinoid. To everyone else these 94-95 Cobras were kind of a frainkenstien deal. |
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April 24th, 2007, 09:59 PM
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#7 | |
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Doc
91 Sonic Blue Goodness
19.83 @ 12mph
Join Date: Nov 2006
Location: NJ
Posts: 27,308
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April 28th, 2007, 12:11 AM
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#8 |
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MM Fanatic
Join Date: Mar 2007
Location: Albertville, AL
Posts: 3,860
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only thing i ever seen make headers glow is timing is to low
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