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Q&A

Proper engine operation requires the following three conditions.
Even when a good fuel and air mixture is supplied to an engine and good compression exists, the engine will not start without good spark production.
A quality spark plug is a critical part in the production of good sparks; this Q & A Booklet is designed to provide you with technical information about spark plugs and instructions on how to use them.

• Q1 What is the function of a spark plug?