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< 3.0L Engine >

  1. Remove the spark plug and connect to the spark plug cable.
  2. Ground the spark plug outer electrode (body), and crank the engine.

    Check that there is an electrical discharge between the electrodes at this time.

    Fig 1: Identifying Spark Plug
    G02424775Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    Fig 2: Identifying Defective Insulation
    G02424776Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
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