Volkswagen Passat & Teramont Front Oxygen Sensor 8VD906262 German Standard Original Replacement Part

Volkswagen Passat and Teramont front oxygen sensor 8VD906262 installed before the exhaust manifold or ahead of the catalytic converter, continuously monitoring exhaust oxygen content and feeding back to ECU to precisely adjust the air-fuel ratio, improving combustion efficiency and emission control. Compatible with 226936N101, 0258007156, 0258007179, 0258007180. Installation difficulty moderate; labor about 0.5-1 hour; take care to avoid thread damage during removal and installation. If check engine light illuminates or idle is unstable, replacement is required.