Register a free account today to become a member!
Once signed in, you'll be able to participate on this site by adding your own topics and posts, as well as connect with other members through your own private inbox!

172 catalytic converter

  1. C

    172Cup Emissions Light

    Hi everyone, I have been searching and checking symptons but nothing quite matches so far. My 172 cup has been mine its whole life and is now on 93,000 miles. Its only mod is a ktec silenced exhaust system from the cat back fitted 4/5 years ago. Yesterday as I was going 50mph on motorway the...