That is quite sad ...... My 11 Superduty that is 8months old has a average of 16.5 and that is from day one with all the idling and towing. I tow a 21' wake board boat two to three times a week and have gone on several trips with the camper. I quess the moral to the story is that if you tow with...
I had this re-map done in March and have put 6k on it since it was done and now I am back to using Off Road Mode cause it is back to shifting all the time and hard up and down shifts. It worked all right for a little bit but what I wouldn't do to be able to up grade to manual shift option like...
I find it hard to swallow that you lost that much....... I could see 3-4 miles per gallon dropping you down to 16-17ish but 12???????
I live at 10,500 feet and drive up and down passes every day and I run hard and my 5.4 runs 16.5 to 17.5 for a average. I must note I run mid grade fuel and off...
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