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  1. Focus ST General Discussion
    I’ve noticed - when I start my engine, my car idles low to high between 3rpm-1rpm. It goes back and forth for about 5-10 seconds before everything mellows and stays in the 1rpm range. Is this normal? I cut off my resonator/muffler and now I hear all those new noises I didn’t hear before when it...
  2. Focus ST Repair Shop / Service
    I went to drive my car today. And it seems the tachometer values are about 1k RPM over where they should be. (Idle is 2k, 2k shows 3k, etc.) Operation of everything else seems to be normal on the dash. Has anyone seen this? I haven't taken it into the dealer yet.
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