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Spark Plug Cleaning

  1. Sufficiently apply the brake cleaner to the plug end.
    NOTE: Repeatedly applying the brake cleaner is acceptable during the cleaning.
  2. Using special tool spark plug brush (MB992273), intensively clean the electrode for 1 to 2 minutes.
    NOTE: Even if using strong force, the electrode is not damaged.
    NOTE: In case of insufficient cleaning, it is permissible to take longer than 2 minutes for cleaning.
  3. After the cleaning, sufficiently remove and then dry both of the carbon and the brake cleaner on the plug, using a waste cloth or air blowing.
Fig 1: Cleaning Spark Plug
G11278006Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
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