What Is Engine Braking?


Quick Answer

Engine braking is a method of slowing a vehicle down without using external braking mechanisms, such as friction brakes or magnetic brakes. Engine braking refers to the braking effect caused by the closed-throttle partial vacuum in petrol engines when the accelerator pedal is released.

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Full Answer

Engine braking is often used in heavy-duty and commercial vehicles to increase speed control. Braking causes friction, in turn causing heat. Too much heat can cause brakes to overheat and fail. It is good to know how to use engine braking in case of emergency. Engine braking reduces the occurrence of brake failure and increases the effectiveness of braking and safety in general.

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