engine braking definition
engine brake. (1) Engine brake means a device that converts a power-producing diesel engine into a power-absorbing air compressor, resulting in a net energy loss. (2) Unmuffled engine brake means an engine brake that is not equipped with a muffler in good working order. [1993 c.314 Â§9] Oregon Legislature 1.
Best Answer: Engine braking is when the vehicle is rolling at a faster speed than engine RPM's are turning. Engine braking is usually done by downshifting the vehicle to a lower gear then it typically would be in. An example of engine braking is say you have an automatic..