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7.3 wont run right

  1. [7.3L - Technical Info]
    I have a 99 7.3 manual f550. With almost 400k. It's a tow truck. Went and picked up a wreck Wednesday on the way back around 2200 rpm the truck started spitting and spidering like it was running out of fuel. My injectors have been weak for a while now. So I replaced them all new. Also glow plugs...