Good evening to all This is my personal truck it used to get 16 to 18 mpg around town 20 to 21 on highway.I went from 245/75r/16 to 265/75r/16 had computer reprogammed for the different size tires and now I,m only getting 10 to 11 mpg its hard to believe just ...

FIX posted 7/16/2013

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