This is a genuine VAG Nox-sensor, part number 04L907807BQ. Designed to accurately measure nitrogen oxide levels in your vehicle's exhaust system, this sensor is crucial for maintaining optimal engine performance and adhering to emissions standards. Proper functioning of the Nox-sensor is vital for the engine control unit (ECU) to make necessary adjustments to the fuel-air mixture and exhaust aftertreatment systems. A faulty sensor can lead to increased emissions, reduced fuel efficiency, and potential check engine lights. Manufactured to VAG's high standards, this sensor guarantees reliability and longevity. Replacing a worn or malfunctioning Nox-sensor with this genuine part will help restore your vehicle's emissions control system to its intended performance levels.
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