So I recently replace my Header with a Weapon R and the entire Exhaust with a Tsudo and at the end of everything the Check Engine Light came on.
It's throwing P014C and P014D which its slow response of O2 sensor ( Rich to lean ) and ( Lean to Rich). Got Defoulers on both of the O2 sensors but the light won't turn off.

Does anybody have any ideas on how to get the Engine Light to turn off?


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Buying a CEL Eliminator worked for me.

It's an adapter that goes on the S-Pipe where the O2 sensor is.

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