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**Kracka** · 09-28-2008

Are you using the wideband in place of a stock o2 sensor? If so, then yes, that would cause a CEL unless you take the needed steps to disable it.

Your S-AFC will not work unless the RPM is wired in correctly.

09-28-2008	#4
Kracka R U DTF bro? Join Date: Aug 2003 Location: Oak Point, TX Drives: C8 Stingray Z51 Posts: 20,620	Re: safc and wide band help? Are you using the wideband in place of a stock o2 sensor? If so, then yes, that would cause a CEL unless you take the needed steps to disable it. Your S-AFC will not work unless the RPM is wired in correctly.