FITMENT
Compatible with Volkswagen AG diesel vehicles equipped with SCR (Selective Catalytic Reduction) systems requiring NOx monitoring.
Common applications include Volkswagen diesel passenger and light commercial vehicles using reference 5WK97235 / 04L907805M.

FAQ
Q1: What is the function of this NOx sensor?
A1: It measures nitrogen oxide concentration in the exhaust system and transmits 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 layout.

Q3: What are symptoms of failure?
A3: Engine warning light, emissions-related fault codes, and reduced SCR system performance.

Q4: Is it compatible with all Volkswagen diesel models?
A4: No, compatibility depends on engine type and emissions system configuration.