Air Control Valve Fit For Toyota Echo 22270-21010 22270-21011 1903-309492 2227021010 2227021011 Ac464 Ac4190 Tools. OEM:22270-21011. The idle air control valve is crafted from durable materials designed to resist wear, ensuring reliable performance over an extended period. Stable Idle Control:‌ This idle air control valve helps maintain consistent engine idle speed by regulating airflow, supporting smooth operation under varying load conditions. Durable Construction:‌ Built with engineered composite materials to withstand prolonged exposure to heat and vibration, ensuring reliable function over time., Manufacturer: TLVBFPG