mitsubishi Workshop Repair Guides

Mitsubishi Workshop Service and Repair Manuals

Spark Plug Check and Cleaning|Page 1027 > < Engine - Fouled Spark Plugs Causing Misfire|Page 1024
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Spark Plug: Testing and Inspection
Spark Plug Check and Cleaning

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 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: 0.7 - 0.8 mm (0.028 - 0.031 inch)

Limit:

1.2 mm (0.047 inch) <2.4L Engine>
0.95mm (0.037 inch) <3.8L Engine>

Spark Plug Check and Cleaning|Page 1027 > < Engine - Fouled Spark Plugs Causing Misfire|Page 1024