Changing Spark Plugs: Installation: Notes
WARNING: This page is about a different car, the 2006 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
Installation is in the reverse order of removal.
CAUTION:
Do not drop or shock spark plug.
- Use the 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 knock occurs with the standard type spark plug under conditions such as:
- Extended highway driving
- Frequent high engine revolution