2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Adjusting The Mixture

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Old Feb 7, 2005 | 01:51 PM
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steiner_5000's Avatar
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From: Iowa
Adjusting The Mixture

MY car is running really rich (I think) it shoots whats looks like burnt gas from the tailpipe and it seems to flood really easy....how can I adjust the mixture on a 86 GXL so it won't run so rich???

Last edited by steiner_5000; Feb 7, 2005 at 01:54 PM.
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Old Feb 7, 2005 | 01:55 PM
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1987RX7guy's Avatar
Eat Rice Don't Drive it.
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From: Laredo, Tx
Fuel controller.
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Old Feb 7, 2005 | 01:58 PM
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An Apexi S-AFC is my recommendation.

-Andrew
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Old Feb 7, 2005 | 01:59 PM
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Eat Rice Don't Drive it.
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From: Laredo, Tx
Hey you got a change engine light there. Better take that to the dealer. :laugh:
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Old Feb 7, 2005 | 05:00 PM
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Dude I've got an 88 Turbo II and messed up the air flow meter when I was putting a cone filter on it. So since then I have gotten a air flow meter (from a Turbo II) but the car simply will not run. When it does, it is very rich and it seems to flood itself, just like your problem. How were you able to fix your problem?
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Old Feb 8, 2005 | 10:41 AM
  #6  
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From: Iowa
I actually did the same thing....I had to put a new AFM in and its running rich.....so we're in the same boat
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Old Feb 8, 2005 | 10:44 PM
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Get the injectors checked out, and if this happend after you changed your AFM, AFM might be bad.. also try to reset the ECU... disconnect the neg battery terminal for while.. >30sec
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Old Feb 9, 2005 | 12:19 AM
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Originally Posted by steiner_5000
MY car is running really rich (I think) it shoots whats looks like burnt gas from the tailpipe...
When does it do this? Are you sure it's not just perfectly normal condensation when the engine and exhaust are cold? Water is a by-product of combustion. It will smell like fuel because idle mixtures (particularly cold idle mixtures) are supposed to be rich.

... and it seems to flood really easy...
The two most common causes of flooding are dirty injectors and/or low compression.

Originally Posted by 1987RX7guy
Fuel controller.
Originally Posted by RyoFC3S
An Apexi S-AFC is my recommendation.
This is bad advice. If his engine is running abnormally rich then something is wrong. You should not add modifications to mask the symptoms of a problem. You find the problem and fix it.
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Old Feb 9, 2005 | 02:37 PM
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From: OC
Originally Posted by NZConvertible
This is bad advice. If his engine is running abnormally rich then something is wrong. You should not add modifications to mask the symptoms of a problem. You find the problem and fix it.
excellent advice. make sure your car is running good for stock before you worry about expensive toys.. otherwise, trust me, youll just have more headaches down the road.
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