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    Thread: P0300 random misfire.

    1. #11
      2004 1.6 Auto Rust Free
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      Whenever a new issue shows up I always ask myself what was the last thing that was done on the vehicle. A high percentage of the time the new issue is related to the last repair. In this case it’s the timing belt.



    2. #12
      Do I turbo it? Jaded_Crown's Avatar
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      It appears that timing is not the issue, timing is correct, and I also was recommended to clean the MAF sensor, which did improve the issue.

      I do wonder if the ignition leads could be part of the issue, I'm going to check them in the next couple of days.

    3. #13
      Do I turbo it? Jaded_Crown's Avatar
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      To add to this, just did an IACV, and now idle is consistently at 2500-3000 rpm when I go off of the throttle.





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