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Spark Plug Check And Cleaning

CAUTION:
  • Do not attempt to adjust the gap of the iridium plug. 
  • Cleaning of the iridium plug may result in damage to the iridium and platinum tips. Therefore, if carbon deposits must be removed, use a plug cleaner and complete cleaning within 20 seconds to protect the electrode. Do not use a wire brush. 

Check the plug gap and replace if the limit is exceeded.

Standard value: 0.5 - 0.6 mm (0.020 - 0.024 inch) 

Limit: 0.75 mm (0.0295 inch) 

Fig 1: Identifying Iridium And Platinum Tip
G04300742Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.