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.
3. Check type and gap of new spark plug.




Spark Plug Type
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.

Spark Plug (Single Platinum-Tipped Type)
Gap (Nominal): 1.0 mm (0.039 in)
Spark Plug (Double Platinum Tipped Type)
Gap (Nominal): 1.1 mm (0.043 in)




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
Torque: 20 - 29 Nm (2.0 - 3.0 kg.m, 14 - 22 ft.lb)