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cylinder #3 misfiring

Discussion in 'Technical Chat' started by j.porter, Jan 16, 2011.

  1. Jan 16, 2011 at 12:32 PM

    j.porter [OP] New Member

    Jan 16, 2011
    First Name:
    Mt Pleasant, SC
    1999 Tacoma TRD 4x4
    2" body lift, 2" suspension lift, 35" mud-terrains
    I have a 1999 Tacoma TRD 4x4 with the 3.4L V-6 automatic. I have blown 2 spark plugs out the sockets and had to install helicoil thread inserts. When I completed the last helicoil repair I had a misfire in that cylinder. I replaced all the plugs and still had a misfire. I moved coils around and still had the misfire in the same cylinder. I have moved coils and plugs around and still have the same misfire. The last thing I did was replace the classis ground which was frayed but still have the same misfire. I feel like my last things to check are the ignition control module or the computer. Anybody had a similar problem and how did you fix it?

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