Idle Air Control Valve For Scion XA XB Fit For Toyota Echo 1.5L 2000-2006 2227021010 2227021011. OEM NO. : 22270-21010 2227021011. 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