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LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Car is running really rich

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Old Sep 24, 2009 | 07:21 PM
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Default Car is running really rich
My 94 TA is running really rich. Exuast burns my eyes when I'm behind it. I do run premium fuel. O2 sensor?
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Old Sep 24, 2009 | 08:47 PM
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Possibly, but it can also be a malfunctioning MAF sensor. If the MAF is incorrectly reading the amount of air coming in, it can dump more fuel than necessary into the combustion chamber.

One other possibility...faulty cat. conv.

Any codes?
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Old Sep 24, 2009 | 09:03 PM
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i had the same problem. no codes. it was an 02 sensor
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Old Sep 24, 2009 | 09:21 PM
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Originally Posted by viscousTA
My 94 TA is running really rich. Exuast burns my eyes when I'm behind it. I do run premium fuel. O2 sensor?
I have the same problem on mine. iam thinking its an 02.. and its also a 94..
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Old Sep 25, 2009 | 12:38 AM
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Just because it burns the eyes does not mean its necessarily rich. Its probably lean.

Ed Wright told me this and he was right, I cant remember WHY...duh I got CRS.
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Old Sep 25, 2009 | 08:25 PM
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No codes yet. Buddy is supposed to check it out next week for me.
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Old Sep 26, 2009 | 09:57 AM
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how do you know is running rich? or are u just assuming cause it burns your eyes? I hope your not sticking ur eyes in the exhaust while the car is running.
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Old Sep 29, 2009 | 06:22 PM
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my car seems to be running rich to but im only guessing that due to the black smoke, the smell of gas,and burning eyes. but it could just be that i have no cat. im not to worried about it my car running great
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Old Sep 29, 2009 | 06:50 PM
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Originally Posted by sepno77
how do you know is running rich? or are u just assuming cause it burns your eyes? I hope your not sticking ur eyes in the exhaust while the car is running.
Getting stuff out of my trunk and it burns my eyes. Checked the codes today ,codes came back as faulty knock sensor.
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Old Sep 29, 2009 | 10:36 PM
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Probaly an O2 sensor. You never now with that granatelli MAF(garbage in my opinion) but make sure its clean and funtioning properly(the right voltage range).
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