Sentra SE-R Spec V L4-2.5L (QR25DE) (2002)
Spark Plug: Service and Repair
REMOVAL
1. Remove the ignition coil.
1 of 2
2 of 2
2. Remove the spark plug with a suitable spark plug wrench.
INSPECTION AFTER REMOVAL
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Use standard type spark plug for normal conditions.
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 plug 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.