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Home › Mitsubishi › 2005 › Lancer ES, Automatic › Repair and Diagnosis › Engine Performance › Ignition System › Ignition System -- Except Evolution › On-Vehicle Service › Spark Plug Test › < 2.4L Engine >

< 2.4L Engine >

  1. Remove the spark plug and connect to the ignition coil.
    Fig 1: Removing Spark Plug
    G02464002Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  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 2: Identifying Spark Plug Defective Insulation
    G02464003Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
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