The Idle Air Control (IAC) system is designed to adjust the engine idle RPM speed by opening and closing an air bypass around the closed throttle. The car’s computer receives information from various sensors and will actuate the IAC motor in or out to adjust engine idle speed, controlling engine idle air.
Idle speed stabilization is needed due to the effect engine load changes have on emission output, idle quality and vehicle drivability.
- Intermotor™ idle air controls use a polymer blended, isotropic neodymium/iron/boron magnet to provide accurate control of the pintle and airflow ensuring accurate operation
- High strength stepping motors produce the highest output torques and shielded ball bearing in the motor resists the environmental contaminates for an extended service life
- Intermotor™ IACs undergo load testing to ensure the actuator delivers a force greater than actual load for extra durability and peak performance
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