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  1. 99-03 7.3 Motor Problems
    Hey guys, new to powerstroke.org and really looking for some help. My truck has been getting worse and worse fuel mileage recently. I'm down to 9.7 mpg last time I filled up, and its looking even worse for this tank. Before I bought my current truck, I had an early 99 that was all stock except...
  2. 99-03 7.3L Powerstroke Problems
    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...
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