Q45 V8-4.5L (VK45DE) (2002)
Spark Plug: Service and Repair
REMOVAL
1. Remove ignition coil.
2. Remove spark plug.
Disconnect ignition wire from spark plug at boot. Do not pull on the wire.
Reconnect ignition wires according to numbers indicated on them.
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
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)
-
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/cm2, 85 psi)
Cleaning time:..........Less than 20 seconds