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Check engine light

Discussion in 'GM Powertrain' started by old teacher, May 17, 2010.

  1. old teacher

    old teacher New Member

    Over the weekend my '04 2500HD with a 6.0 liter had the check engine light come on.
    I was near an Autozone so I stopped and had them hook up their reader. The code came back as a "radom misfire". Before I take it in to the shop, any ideas what might be causing this? The truck seems to be running fine with a couple times of running rough.

    Thanks,
    Mike
  2. unplugged

    unplugged New Member 1000 Posts

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