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low idle

  1. MK3 Focus
    2012 Mk3 Focus S, 5SP, never tuned, 110k miles. Relevant Mods: K&N Drop-In Optima Yellowtop (fairly new) Mustang TB Been an ongoing issue for a few months now, the start seems to have corresponded with the recall that was put out, and seems to have been made worse with the 2nd flash Ford did...
  2. General Technical Chat
    I have a 2001 Focus ZX3 with about 57000 miles on it. I've only had it for about a month and so far this is the only problem with it. First incident occurred two days ago in the middle of the day -- about 75 degrees out. I feel as though that's important. Car was warm from running around all...
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