'06 RAM 5.7L - Poor Gas Mileage 93 Octane (9r12)
Posted: Wed Jun 15, 2011 8:25 am
After upgrading to the new 9r12 software, i have been on the unmodified 93 Canned Tune w/ perf Trans for weeks now and noticed a substantial drop in fuel economy, yes i have been driiving it like a grandma trying to squeeze every mile out. the best i can do is 15.5 now and before i got 16.5 - 17 almost daily and could squeeze 18.9 driving grandma-ish. No i don't used the new 'Mileage' Tune cause i always use 93 Octane fuel. I used to be on the 9r09 before the upgrade (i tried the 9t12a/b also before the released version) and stayed on the 93 Canned Tune most of the time. Could the new MDS Smoothing done in the canned tunes the issue?