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7.3 problems towing

  1. 03' 7.3 boggs down while towing over 40mph

    99-03 7.3 Motor Problems
    I have a 2003 7.3 F-350. I just purchased this truck 1 month ago, and it has run great. Yesterday I towed a load that was around 7 thousand pounds. As soon as I got the truck to about 40 mph it would bog down and start shaking violently when the truck dropped into 3rd gear. It would then lose...