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miss at idle

  1. Intermittent miss at idle

    6.0 Motor problems
    hey guys. recently ive done some maintenance/ minor upgrades on the ol girl... replaced cracked Y-pipe, oil change to rotella t6, coolant flush (made sure to use distilled for final flush and motorcraft gold coolant), fuel filters, mishimoto 200 thermostat, and TSD daily street tune... and it...
  2. Low Power Cold, Runs PERFECT warm, Slight miss cold

    99-03 7.3 Motor Problems
    Guys, I need help. I have 10 hrs + searching google for resolution. 2003 E450 Bus 7.3L Auto, 225k miles *starts every time, any temp. *runs with slight miss w/ no or Low power when cold at idle *runs PERFECT when fully warms up. Takes about 30 minutes idling to fully warm up and begin to run...
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