How does idle air control valve work / urdu

How does idle air control valve work / urdu An idle air control actuator or idle air control valve (IAC actuator/valve) is a device commonly used in fuel-injected vehicles to control the engine's idling rotational speed (RPM). In carburetted vehicles a similar device known as an idle speed control actuator is used. Azeem Automobile Engineer #efiengine #eficourse #throttlebody contact no 0319-0695052