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  1. 99-03 7.3 Motor Problems
    Hey guys, new to 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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