Lean codes are rarely tuned out like a misfire code code. You really want to log some data and see what is going on.

 

Still having issues ??

 

issues still going on. going to get it looked at this weekend i hope. i taken this thing apart so many times looking to see if i installed it wrong. i cant find anything that appears to be wrong.

 

put extra foam around the filter and the codes have been gone for two days. woohoo!

 

Codes are back!!!!! Guess my next step is a tune.

 

Installed vararam cai on sons g8 cleared Ecm by disconnecting neg. cable check eng light is in he has a flash pac tuner will this help him clear and tune motor? Any suggestions will be very helpful thank you ole hot order without laptop skills.