Hi Tom
I don't have an ans. but i have a similiar problem. car is 09 rt auto. k&n cai,run moble 1 synthetic otherwise stock.u7135 v9r29
took a 1000 mi. round trip last week. car has 28000 miles on it. the first tune when i left was the mpg tune, throttle boosted,trans firmness inc. shift points inc ...