2006 Colorado Check Engine

Discussion in 'Chevy Colorado Forum (GMC Canyon)' started by RODC, Apr 3, 2013.

  1. RODC

    RODC New Member

    Any known problems with cylinder 5 misfiring at 70 thousand km or so?What could be problem and any GM recall on it?
  2. Pikey

    Pikey Moderator Staff Member 5+ Years ROTM Winner 5000 Posts

    I have not heard of that issue. But, I did a little research on it and found tons of info. It seems that the heads on those 5 cylinders have valve seats that are not hard enough and wear early. I am not saying that this is your issue. You need to rule out a coil pack , spark plug, and fuel delivery problem. After that I would suggest doing a cylinder leak down test on each cylinder, with the cylinder being tested being at Top Dead Center. From the info I found cylinder 5 and cylinder 2 are the cylinders with the known issues.

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