Operation CHARM: Car repair manuals for everyone.

Spark Plug: Testing and Inspection






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

Standard Value: 1.0 - 1.1 mm (0.39 - 0.43 in.)

Limit : 1.3 mm (0.051 in.)

CAUTION:
1. Do not attempt to adjust the gap of the platinum plug.
2. Cleaning of the platinum plug may result in damage to the 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.