SErious Trouble Question...PLEASE HELP!!!!
i have 99 auto- xlt 4x4 3.0 MY gas mileage is terrible!!!!! on highway i barely hit 70 and im at 3100RPM is this normal?!?!? or do i have bad tranyy? alredy did fluid and filter... please help and tell me if your truck does same or where it is,, i have 32`s