Recent content by Manq

  1. M

    Misfiring number 3 cylinder

    Thanks Joseph, I do have a code reader and it shows a P0303, number 3 cyl missfiring that is the only code.
  2. M

    Misfiring number 3 cylinder

    Miami-dade, since i'm new to the tread what does (Moved you here from Site News) mean?
  3. M

    Misfiring number 3 cylinder

    Thanks lost1wing unfortunately I don't the gauge so I guess I have to ask the dealer to do it (damn,damn).
  4. M

    Misfiring number 3 cylinder

    Good afternoon everyone, I have a 2015 GMC yukon denali with a 6.2 L engine that has a misfiring code on the number 3 cylinder. I have checked for spark from the spark plug and the coil, I found no problem, so I replaced the spark plugs, coil, and wires anyway, misfire still is still...
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