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Home >> Mitsubishi >> 2011 >> Lancer Evolution GSR >> Repair and Diagnosis >> Engine Performance >> Ignition System - Lancer Evolution >> On-Vehicle Service >> Spark Plug Test
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Spark Plug Test

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