Originally Posted by
llaprad1 Hmm no, only about 15 min. It was cool morning, and there was only a 5 min wait.
That could be the difference.
You need to get it hot, you can also try running Cat-a-clean through it, I never had an issue with passing CT emissions with S3 cams which some guys will vouch isn't easy.
I had a stock cat and stock ECU at the time and passed with no issues.