P5.
What is the best way to select the correct spark plug ?
It
is essential to select a spark plug specified by the vehicle manufacturer
based on the NGK Recommendations Catalog.
Exemple
of how to select the right spark plug type:

NGK
Recommendations Catalog

*
The appropriate spark plug for the above mentionned vehicle

NOTE
|
A
spark plug is a consummer good. Even correctly selected,
it has a limited lifetime. Therefore, provide periodical
revision and changes.
Concerning the spark plug lifetime, see P20 .
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