Spark Plug: Service and Repair

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 and 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.

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

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

Limit: 1.3 mm (0.051 inch)



SPARK PLUGS (Replace)

CAUTION: Iridium plugs are used. Use care not to damage the iridium and platinum tips of the plugs. Do not adjust the spark plug gap.

Spark Plug Type:

1. Spark plugs must spark properly to assure proper engine performance and reduce exhaust emission level. Therefore, they should be replaced periodically with new ones.




2. The new plugs should be checked for the proper gap.

Spark plug gap: 1.0 - 1.1 mm (0.039 - 0.043 inch)

3. Install the spark plugs and tighten to 25 N.m (18 ft-lb).