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Home >> Mitsubishi >> 2010 >> Lancer Evolution SE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 81 (Ignition System -- Lancer Evolution) >> On-Vehicle Service >> Spark Plug Test

Spark Plug Test

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  1. Remove the spark plug and connect to the ignition coil.
    Fig 1: Identifying Spark Plug
    G05375451Courtesy 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 Outer Electrode (Body)
    G05903698Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.