Spark Plug Gap Check: (Non-turbo)

Check the plug gap with the wire type plug gauge. Replace it if the limit is exceeded.

Standard value: 1.0 - 1.1 mm (0.039 - 0.043 inch) 

Limit: 1.3 mm (0.051 inch) 

Fig 1: Checking Spark Plug Gap

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.