Search found 3 matches

by nc2pvn
July 27th, 2020, 5:30 am
Forum: NC2/3
Topic: NC2 issues after running basic tune
Replies: 8
Views: 8572

Re: NC2 issues after running basic tune

Took off my headers and saw that the cat has broke into several pieces. removed all the debris and what was left of the cat and now the car drives normal. however now i have check engine light for code p0421. is there a way to disable this code with versatuner?
by nc2pvn
July 13th, 2020, 9:02 am
Forum: NC2/3
Topic: NC2 issues after running basic tune
Replies: 8
Views: 8572

Re: NC2 issues after running basic tune

That’s weird because the car has only 43k miles. Would you suggest removing both cats or just the primary cat
by nc2pvn
July 12th, 2020, 8:43 pm
Forum: NC2/3
Topic: NC2 issues after running basic tune
Replies: 8
Views: 8572

Re: NC2 issues after running basic tune

Have the exact same issue. installed pops and crackles tune and drove it for about 100 miles. then code p0421 came up and now can’t hear the pops anymore. also the exhaust got much quieter even thought it has a muffler delete. performance seems to be affected too. wandering what i should do now. don...