Well some of the websites offer a o2 simulator for when u don't have a cat anymore. That's what I got and I didn't throw any codes. Might wanna look into it
Well I guess I couls just deal with the light until I get the pcm rather then but sims
White 99 GTP-180*,FWI,ZZP Plog,3"DP.ZZP PCM, Magnaflow resinator.
SOLD June 2009 Silver 2000 Z-28 383LSX Stroker, 10.94@122 N/A
2004 Suzuki GSXR-750, lowered, Piped,filters,smoked screen