right now... i hate you!
just kidding! but seriously, i have never got more than 350 miles on a tank of fuel.
but the truck is in the shop getting a new turbo and new flash so i hope that will help me out.
if you are only on your first tank, i would thinkg that the dealer installed the updates before you took delivery?
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2007 2500 6.7l 6spd auto 4wd
-Tim