FITMENT
Compatible with Volkswagen AG group diesel vehicles equipped with SCR (Selective Catalytic Reduction) systems requiring NOx monitoring.
Common applications include Volkswagen, Audi, SEAT, and Škoda diesel models using reference 5WK97313.

FAQ
Q1: What is the function of this NOx sensor?
A1: It measures nitrogen oxide levels in the exhaust system and sends data to the engine control unit for emissions control.

Q2: Where is it installed?
A2: It is installed in the exhaust system, typically before or after the SCR catalyst depending on system configuration.

Q3: What are signs of malfunction?
A3: Engine warning light, emissions-related fault codes, and reduced SCR system efficiency.

Q4: Is it compatible with all Volkswagen group vehicles?
A4: No, compatibility depends on the exact engine and emissions system setup.