Compatible with Eagle For Premier 1988 1989 1990 Made of particular materials, it operates stably under high engine temperatures. Function: By adjusting the air mixture during idling, the valve helps improve efficiency, engine performance, and emissions. Function: The main function of a car's idle speed control valve is to regulate the amount of air entering the engine to control the idle speed, ensuring engine stability and reliability. Function: This engine idle speed control valve features a fast response time, quickly adapting to changes in engine speed and load conditions, ensuring stable engine performance, and enhancing driving comfort and vehicle stability., Manufacturer: yangfanqihang