What Is A Throttle Body On A Car

How does a throttle body work.

A car s throttle is essentially what controls how fast the engine goes and therefore how fast the car goes. The amount of air allowed in depends on how far the driver presses the accelerator pedal to the floor. It consists of a housing unit that contains a throttle plate butterfly valve that rotates on a shaft. The throttle body is the device in your vehicle that opens and closes to regulate the amount of air entering the engine.

What s a throttle body. The throttle body is the throat through which the air passes when you step on the gas pedal. What is a throttle body. The throttle body is a tube containing a pivoting flat valve butterfly that is used to control the amount of air entering an engine.

The throttle body incorporates a flat valve which is referred to as a butterfly valve and this valve is responsible for controlling the amount of air entering the engine. In an electronically fuel injected car a throttle position sensor and air flow sensor communicate with the computer which supplies the corresponding amount of fuel needed at the injectors. Too much air or too little air can make your engine run lean. Generally speaking an engine has one throttle body which bolts to the intake manifold s plenum the large air cavity in the center.

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In modern fuel injected cars the throttle body is an essential part of the air intake system controlling the flow of air into the engine which is used to effectively combust fuel in the pistons. Getting the right amount of air is vital. When it gets dirty clogged or damaged you will likely experience issues because the engine s air fuel mixture will get thrown off. The throttle is usually a butterfly valve assembly on the intake manifold and is connected to the accelerator or gas pedal via the throttle linkage.

A throttle body is essentially a large air valve that sits between the intake manifold and air intake pipe. In a traditional spark ignition gasoline engine the throttle body is the part of the air intake system that controls the amount of air that flows into an engine s combustion chamber. In today s modern fuel injected cars the throttle body is a critical piece of the air intake system that controls the amount of air flowing into the engine.