Quiz: What role do spark plugs play in an internal combustion engi September 22, 2025 by Alex Turner What role do spark plugs play in an internal combustion engine? Discover more about Vehicle Engine and Automobile at our home page. A) They ignite the air-fuel mixture to create combustion. B) They regulate the engine’s temperature. C) They filter the engine oil. D) They provide electrical power to the vehicle. Submit Answer
