Quiz: What is the role of a throttle body in an engine’s air intak April 8, 2025 by Alex Turner What is the role of a throttle body in an engine’s air intake system? Discover more about Vehicle Engine and Automobile at our home page. A) Regulates the amount of air entering the engine based on driver input. B) Filters out impurities from the air before it enters the engine. C) Controls the fuel injection timing for optimal combustion. D) Acts as a pressure sensor for the engine’s air intake system. Submit Answer