Spark Plug: Testing and Inspection

SPARK PLUG (PLATINUM-TIPPED TYPE)
REMOVAL

1. Remove engine cover with power tool.

IGNITION COIL:

2. Remove ignition coil.







3. Remove spark plug using spark plug wrench (commercial service tool).


INSPECTION AFTER REMOVAL
Use standard type spark plug for normal condition.

The hot type spark plug is suitable when fouling occurs with the standard type spark plug under conditions such as:
- Frequent engine starts
- Low ambient temperatures

SPARK PLUG TYPE:

The cold type spark plug is suitable when spark plug knock occurs with the standard type spark plug under conditions such as:
- Extended highway driving
- Frequent high engine revolution

Gap (Nominal):....................1.1 mm (0.043 inch)







CAUTION: Do not use a wire brush for cleaning.
GIf 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
Install in the reverse order of removal.