TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

Running Rich???

Old 05-16-2017, 10:21 AM
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Car: 1991 Firebird
Engine: 5.0 TBI
Transmission: T5
Running Rich???

Hey guys, New to this site. I have a 1991 Firebird 305 TBI with a T5 trans.

Can anyone tell me why it might be running rich? { Exhaust smell is very very strong}

Also is there a way to check the codes without a scan tool? I dont have one and im pretty broke ATM..

any help would be great!!



Old 05-16-2017, 03:33 PM
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Car: 1967 Camaro, 91 z28
Engine: Lb9
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Re: Running Rich???

http://www.troublecodes.net/gm/
Old 05-16-2017, 09:53 PM
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Car: 1991 Firebird
Engine: 5.0 TBI
Transmission: T5
Re: Running Rich???

Originally Posted by Tuned Performance
That is exactly what I am looking for.. Thx Tuned!


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