Spark Plug: Service and Repair
SPARK PLUG (PLATINUM-TIPPED TYPE)EM-43 Component:
Removal and Installation
REMOVAL
1. Remove engine cover with power tool.
2. Remove ignition coil.
3. Remove spark plug using spark plug wrench (commercial service tool).
CAUTION: Never drop or shock spark plug.
INSPECTION AFTER REMOVAL
Use standard type spark plug for normal condition.
Hot type spark plug is suitable when fouling occurs with standard type spark plug under conditions such as:
^ Frequent engine starts
^ Low ambient temperatures
Cold type spark plug is suitable when spark plug knock occurs with standard type spark plug under conditions such as:
^ Extended highway driving
^ Frequent high engine revolution
CAUTION:
^ Never drop or shock spark plug.
^ Never use wire brush for cleaning.
^ If plug tip is covered with carbon, spark plug cleaner may be used.
Cleaner air pressure: Less than 588 kPa (6 kg/cm2, 85 psi)
Cleaning time: Less than 20 seconds
^ Checking and adjusting plug gap is not required between change intervals.
INSTALLATION
Installation is the reverse order of removal.