[ej11252]

After N0S hook-up and dyno, a cats below threshold code popped up. Wondering if ayone else has had cat problem after using a power adder?

 

[Snackmaster]

What year and engine are we talking about? Give us some more info and we can help. Thanks for joining and have fun!:bigthumbsup

 

[jim293]

Welcome to AFM. What can you tell us about the car??