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Check Engine Light 45

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Old Jul 10, 2002 | 11:35 PM
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Default Check Engine Light 45

System Too Lean or Too Rich

How do I fix this problem?
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Old Jul 11, 2002 | 07:46 AM
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VAFC is the easiest
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Old Jul 11, 2002 | 10:13 AM
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Originally posted by 98EX
VAFC is the easiest

what is a VAFC?
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Old Jul 11, 2002 | 10:46 AM
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Do you have an aftermarket fuel pressure regulator, aftermarket injectors, fuel rail, fuel pump, etc, etc?
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Old Jul 11, 2002 | 11:05 AM
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Originally posted by Unjockable



what is a VAFC?
VTEC-Air Fuel Controller(I am assuming you have a DOHC or SOHC VTEC) if not, then just your basic AFC will work.
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Old Jul 11, 2002 | 12:18 PM
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Did you do any mods directly prior to getting this code?
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Old Jul 11, 2002 | 12:37 PM
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Originally posted by 98EX

VTEC-Air Fuel Controller(I am assuming you have a DOHC or SOHC VTEC) if not, then just your basic AFC will work.

I have a B16A2 with just intake and straight pipe. That's it. No other mods. How much is that air fuel controller? What does it basically do anyways?

Last edited by Unjockable; Jul 11, 2002 at 12:40 PM.
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Old Jul 11, 2002 | 01:17 PM
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You're running a straight pipe? This could be related to why you are runing rich/lean. Your ECU could be reading too much on emmissions and leaning your fuel mixture out to try and correct it.
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Old Jul 11, 2002 | 01:25 PM
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I don't think it's because of the straight pipe because I had the code even before the straight pipe. can i fix it by buying the VAFC? Also, how much and what does it bascially do?

Last edited by Unjockable; Jul 11, 2002 at 01:38 PM.
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Old Jul 11, 2002 | 01:46 PM
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It might be a possability, but you need to find out why you are too rich/lean first cause it may be just a simple thing you need to do instead of haveing to go buy a $300-$400 piece of electronics.
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