Search found 2 matches

by Handies in the Honda
Mon Jun 09, 2025 12:10 pm
Forum: K-Pro / KManager
Topic: Running Rich, Misfire, idle surge
Replies: 6
Views: 1170

Re: Running Rich, Misfire, idle surge

Are you running cat? Could possibly be clogged.
by Handies in the Honda
Mon Jun 09, 2025 9:55 am
Forum: K-Pro / KManager
Topic: Running Rich, Misfire, idle surge
Replies: 6
Views: 1170

Re: Running Rich, Misfire, idle surge

Posting a datalog will help out. Spray around the manifold to check for air leaks. Check for exhaust leaks too. Have you tried replacing the O2 sensor or iat sensor yet?