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Home >> Mitsubishi >> 2007 >> Outlander ES >> Repair and Diagnosis >> Engine Performance >> Ignition System >> On-Vehicle Service >> Spark Plug Insulation Resistance Check

Spark Plug Insulation Resistance Check

  1. Measure the insulation resistance. If the insulation resistance of the spark plug is under the limited value, clean the plug within 20 seconds using a plug cleaner.
  2. After cleaning, measure the insulation resistance again. Replace the plug unless it is within the limited value.

    Limit: Minimum 10 MΩ 

    Fig 1: Measuring Spark Plug Insulation Resistance
    G04870973Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
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