Codes 181 & 189 - Mustang Evolution

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Old 03-08-2012, 02:36 PM   #1
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Codes 181 & 189

I ran the koeo test on my 94 gt and got codes 181 & 189 (fuel system at rich adaptive limit at partial throttle/system lean) from the continuous memory. So my question is.... Where did I start? what should I be checking?
btw... I wanna thank the person that posted the link to Amazon for the code scanner. It works excellent
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Old 03-08-2012, 04:00 PM   #2
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Re: Codes 181 & 189

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Originally Posted by Cstyle1 View Post
I ran the koeo test on my 94 gt and got codes 181 & 189 (fuel system at rich adaptive limit at partial throttle/system lean) from the continuous memory. So my question is.... Where did I start? what should I be checking?
btw... I wanna thank the person that posted the link to Amazon for the code scanner. It works excellent
I would say that you should check your O2 sensors and maybe the IAT sensor.
Then make sure your fuel filter is in good shape and your fuel pressure is correct.
You could also have fuel injector problems, maybe dirty or failing.
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Old 03-09-2012, 03:00 AM   #3
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Thanks. I'm gonna try
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