I just tried tuning my lq9 with ls3 heads and custom 226/232 115 lsa cam. I tried tuning the ve table with no luck. My afr gauge shows 12.8-13.0 right when startup and after idling a few second is starts to go lean at 16.0ish. Tried tuning the ve table but nothing. Are there any tables i should disable or something? Or why does my afr turn lean after a few seconds. Right now i have it on the stock tune.

Please i need help!
Thanks in advance!