Idle Speed Control Unit Function: maintains a stable engine idle by adjusting the idle control input to the engine management system. Benefits: reduces stalling at stops, smooths cold starts, improves drivability, and supports consistent idle across temperature and load changes. Compatibility: designed for gasoline engines with electronic idle control inputs; broadly compatible with many OEM ECUs and aftermarket controllers. Verify fitment for your vehicle or equipment. Size and build: compact form factor that fits in tight engine bays or behind dashboards; aluminum housing with sealed connectors for durability and moisture resistance. Performance: fast response to load changes; precise idle control within the intended range; reliable operation under varied operating conditions. Applications: Retrofit for cars or light trucks experiencing rough or unstable idle. Idle stabilization for portable generators that operate under changing load. Small marine, lawn, or industrial equipment where a steady idle improves operation.