This is a genuine VAG Nox-sensor, part number 03N907807S. It plays a crucial role in modern vehicle emissions control systems by measuring the amount of nitrogen oxide in the exhaust gases. Proper functioning of the Nox-sensor is essential for the engine control unit (ECU) to optimize the air-fuel mixture and manage the selective catalytic reduction (SCR) system, if equipped. This helps in reducing harmful emissions and ensuring compliance with stringent environmental regulations. Replacing a faulty Nox-sensor with this genuine VAG part will restore your vehicle's emissions control performance, prevent potential check engine lights, and maintain optimal fuel efficiency. Trust in VAG quality for reliable and accurate sensor readings.
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