Originally Posted by jp430

My engine light keeps coming on with a system running rich code. Any of you FI guys get this code after installing a supercharger. My AF reads 14.5 and drops to 12. when I am on the boost. I was told that it may be my o2 sensors. Any of you guys experience this? I am actually getting another code saying that my cats are not working at full capacity. I reset and the same codes come up again. Any input would be great.

Thanks

John