Hyundai Matrix 1.6L Oxygen Sensor 39210-26700 Ceramic Element Fast Response

Modern Meijia 1.6L 2000-2005 oxygen sensor, OEM number 39210-26700; core function: monitor exhaust oxygen content and feed ECU to adjust air-fuel ratio. Replacement improves high fuel consumption, weak acceleration, and excessive emissions. If MIL is on, idle is unstable, or exhaust emits black smoke, sensor aging is indicated; replace promptly.