<3.8L Engine>

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

Standard value: 0.7 - 0.8 mm (0.028 - 0.031 inch) 

Limit: 0.95 mm (0.037 inch) 

Fig 1: Checking Plug Gap With Wire Type Plug Gauge (3.8L Engine)

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.