Spark Plug Cleaning

< When a sand blast type plug cleaner is used > 

Cleaning must be carried out within 20 seconds to protect the electrode.

< When special tool MB992273 is used > 

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 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 Electrode Using Special Tool MB992273

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.