QX56 V8-5.6L (VK56DE) (2004)
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Spark Plug: Service and Repair
Changing Spark Plugs
REMOVAL
1. Disconnect harness connector from ignition coil.
2. Remove ignition coil.
3. Using a suitable tool remove spark plug with.
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:
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Frequent engine starts
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Low ambient temperatures
The cold type spark plug is suitable when spark knock occurs with the standard type spark plug under conditions such as:
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Extended highway driving
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Frequent high engine revolution
Gap (nominal) : 1.1 mm (0.043 inch)
CAUTION:
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Do not drop or shock spark plug.
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Do not use a wire brush for cleaning.
