Spark Plug: Service and Repair

1. Disconnect ignition wires from spark plugs at boot. Do not pull on the wire.




2. Remove spark plugs with 16 mm (0.63 in) spark plug wrench.
- Spark plug wrench set is available as a tool kit.
A type is for spark plugs except for No.6 cylinder. B type is for No.6 cylinder.




3. Check type and gap of new spark plug.




Spark plug type:
Gap (Nominal): 1.0 mm (0.039 in)
Use standard type spark plug for normal condition.
The hot type spark plug is suitable when fouling may occur with the standard type spark plug such as:
- frequent engine starts
- low ambient temperatures

The cold type spark plug is suitable when spark knock may occur with the standard type spark plug such as:
- extended highway driving
- frequent high engine revolution




- Do not use a 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/sq.cm, 85 psi)
Cleaning time:
Less than 20 seconds




- Checking and adjusting plug gap is not required between change intervals.




When installing spark plugs to No.2 and 4 cylinders, securely fit each ignition wire mounting hole onto the ignition wire fixing pin.
Spark plug:
Tightening Torque: 20 - 29 Nm (2.0 - 3.0 kg.m, 14 - 22 ft.lb)