Hey guys new guy here. i joined this network because the. groups on FB were complete trash.so that's my 06. ive been happy until now. i need advice on a few things like 1. i replaced the o2 sensor and the ck eng light is still on i even had the battery disconnected. 2 what does the T/C icon stand for and how serious is it. 3 i have a stutter and a jerk stutter is when in idle jerk comes between 1 and 2 and 4 can a 2.4 auto be converted to a turbo

 

Welcome to Cobalt SS!

Very sharp looking '06 and thank you for the photo!
Please post your tech questions in the technical discussion forum for your car, good luck!

Bob

 

Welcome nice car.