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high 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...