大众朗逸朗行1.6L后氧传感器04E906262S 精准匹配0258030050

Volkswagen Lavida and Langxing 1.6L downstream oxygen sensor, OEM number 04E906262S, precisely matching original part number 0258030050, installed behind the catalytic converter in the exhaust pipe. Real-time monitoring of exhaust oxygen content and feedback to ECU to adjust air-fuel ratio, ensuring combustion efficiency and emissions compliance. Installation difficulty moderate; labor 0.5-1 hour; avoid thread damage during removal. If the engine check light comes on or fuel consumption rises, the sensor may have failed and should be replaced promptly.