What is the primary function of a spark plug in a spark-ignition (SI) engine?

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Physics · Automobile Engines

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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Correct answer

To ignite the compressed air-fuel mixture

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Answer 1

To regulate engine valve timing

Answer 2

To ignite the compressed air-fuel mixture

Answer 3

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Answer 4

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