Thread: SES light not comming up after CAT delete.

Originally Posted by Ibwrong

If you deleted your rear O2 it will eventually come up just a matter of time, but if you left the O2 welded into the pipe back there you should be fine.

It could throw a cat efficiency lower than expected light, or some such. But at this point, who knows?

Originally Posted by GeosGP

It could throw a cat efficiency lower than expected light, or some such. But at this point, who knows?

Good point didnt think about that..