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 5WK97230 / 059907807L.

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 upstream or downstream of the SCR catalyst depending on system configuration.

Q3: What are symptoms of a failing NOx sensor?
A3: Engine warning light, emissions-related fault codes, and reduced SCR system efficiency.

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