What Does Car RPM Refer To?

[StJordan]

Car RPM refers to the rotational speed of the car's engine. The function of car RPM is to promptly reflect the operating condition of the engine, enabling the driver to better coordinate with the transmission gear and throttle position, thereby maintaining the car in its optimal working state to reduce fuel consumption and extend the engine's service life. Below is relevant information about car engine RPM: 1. The instrument that displays the engine speed under various working conditions is called a tachometer, which is generally installed on the dashboard and symmetrically placed alongside the speedometer; 2. Its unit is 1/min×1000, indicating how many thousand revolutions the engine makes per minute. The faster the engine speed, the more pulses the ignition coil generates, and the higher the RPM value displayed on the gauge.