what is a throttle body?

What is a throttle body?

A throttle body is a device located between the air intake and engine cylinders which acts as an airflow control device. The purpose of the throttle body is to regulate the amount of air that enters the engine at any given time. It does this by narrowing or widening its diameter as needed, in order to control engine speed and power output. The design of a throttle body consists of an outer casing, a butterfly valve, and linkage which move the valve.

How do Throttle Bodies Work?

The throttle body works by controlling the amount of air that flows through it. When you press down on the accelerator pedal inside your vehicle, the linkage attached to the throttle valves open it up and allow more air to travel into the engine cylinders. This results in an increase in engine power and speed, since more fuel can be used with every intake stroke. Additionally, when you lift up from the accelerator pedal, this motion closes together the butterfly valve inside of the throttle body thus decreasing flow rate and regulating engine power accordingly with decreased demand from you. In order for a vehicle's electronic control unit (ECU) to determine what position to move the valves into (open or closed), it must take into account certain measurements such as; airflow rate as dictated by pressure sensor data or manifold information from an oxygen sensor located downstream from combustion chamber.

Benefits of Having a Throttle Body

The most beneficial aspect of having a throttle body installed inside your vehicle's air intake system is improved efficiency over traditional carburetors by eliminating fuel wastage associated with overly rich or overly lean fuel mixtures (due to inadequate mixing). Additionally, having a throttle body installed results in better combustion process achieved in engine cylinders due to more precisely controlled flow of incoming mixture while at same time preventing possible stalled or sluggish turning over if car has been left unused for extended period prior startup attempt (due also partially assisted by computerized throttles). Lastly, having one also allows slower speeds where accelerating offers little torque differences so that overall driveability can be further improved -all resulting ultimately in increased fuel economy as forced-air mass need not travel distances exceeding those necessary for proper cylinder filling.