Thread: Permanent P0420
View Single Post
Old 04-04-2017, 08:24 AM   #3 (permalink)
Wilson2608
Enthusiast Member
 
Wilson2608's Avatar
 
Join Date: Dec 2014
Location: Nashville
Posts: 301
Drives: Nissan 370Z Sport
Rep Power: 11
Wilson2608 is on a distinguished road
Default

Could you specify what exactly that code is. Sounds like your talking about a cat code. If you have high flow cats and no tune there is a good chance you will throw a cel. When I had my HFC nothing would keep the CEL off until I had the car tuned and the CEL deleted.
__________________
Stillen G3, z1 Intake Manifold, Stillen Headers, Z1 HFC's, Stillen Catback. 330whp 267 ft- lbs tuned at Z1 motorsports.
Wilson2608 is offline   Reply With Quote