A throttle body is a part in a vehicle’s engine that controls the flow of air to the engine. It works like a valve, regulating the amount of air that enters the engine, which affects its performance. Full definition
Had this issue before and was able to fix by cleaning throttle body of carbon. (mechanics.stackexchange.com)
They improved the cooling system of the engine, used a lightweight 64 mm throttle body, as well as an improved 62 mm exhaust system. (mywikimotors.com)
An electronic throttle body and other parts are also applied. (mywikimotors.com)