When you tune your ride the stock codes and ganna get tripped right? Which of the codes on normal should you see when tuneing. Say 60's and 2.8 pully....

 

i seen a p0300 and a p0172. but my cars fubar'd right now. which 1's did u see? in reality u shouldnt see any codes

 

I got another post about it ill get you the link thanks for not being a dick. the other guy that tried to help me was a dick.

https://www.cobaltss.net/forums/problems-service-maintenance-69/p0443-124420/

Im accualy getting about 8 codes. rich sensors and HO2S codes. Catylist Code for the hiflow cat.