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Home >> Mitsubishi >> 2015 >> Lancer Evolution Final Edition >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 70 (Ignition System - Lancer Evolution) >> On-Vehicle Service >> Spark Plug Insulation Resistance Check

Spark Plug Insulation Resistance Check

WARNING: This page is about a different variant/trim than selected.
  1. Measure the insulation resistance of the spark plug. If the insulation resistance of the spark plug is under the limited value, clean the spark plug (Refer to SPARK PLUG CLEANING ).
  2. After cleaning, measure the insulation resistance again. Replace the plug unless it is within the limited value.

    Limit: Minimum 10 MΩ 

    Fig 1: Checking Spark Plug Insulation Resistance
    G09641040Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
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