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rough idle

  1. 1st-Gen
    I have a 2003 Mazda 6 3.0 I am trying to get back on the road and having trouble. A little over a year ago I started having troubles and pulled it off the road. At the time I had some sort of an O2 sensor code and a misfire code and it wouldn’t stay running but I also had a leak in my air intake...
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