Join Date: Feb 2011
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very bad mileage, new to the forum...
Well I finally decided to join this forum for help.
First my 03 7.3 f350 dually has been getting poor poor mileage since we can remember (like 9-10 mpg) The only thing we have gotten for it was a k&n drop in. Other than that it is bone stock. I know its a giant truck with a gint engine but what the heck, is it really suposed to get this bad of fuel econmy?
I have tried everthing from driving like a grandpa to driving like a tyeenage that just got his license. we also haul around a 14,000 lb goose neck horse trailer (the weird thing is the mileage stays the same, 9-10 mpg).
please, any help is appreciated.