hi, how many miles do you have on it and what kind of gas mileage are you getting. i have 785 miles and im getting 13.7,far cry from the window sticker 14 to 18.local dealer does'nt seem to know if thats normal, they said they could check the fuel metering.may do that if my mileage is different than yours. thanks Bill p.s. thats highway not towing