Spark Plug Gap Check

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) < 2.4L Engine > 

0.7 - 0.8 mm (0.028 - 0.031 inch) < 3.0L Engine > 

Limit: 

1.3 mm (0.051 inch) < 2.4L Engine > 

0.95 mm (0.037 inch) < 3.0L Engine > 

Fig 1: Checking Plug Gap With Wire Type Plug Gauge - 2.4L

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Fig 2: Checking Plug Gap With Wire Type Plug Gauge - 3.0L

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.