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Home >> Mitsubishi >> 2014 >> Lancer Evolution MR >> Repair and Diagnosis >> External Pages >> Different car >> Section 56 (Ignition System) >> On-Vehicle Service >> Spark Plug Test

Spark Plug Test

WARNING: This page is about a different car, the 2014 Mitsubishi Outlander. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the spark plug and connect to the ignition coil.
    Fig 1: Identifying Spark Plug
    G09664783Courtesy 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 Insulation (Defective/Good)
    G09664784Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
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