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 5WK96687.

FAQ
Q1: What is the function of this NOx sensor?
A1: It measures nitrogen oxide levels in exhaust gases and sends real-time 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 failure?
A3: Engine warning light, SCR system fault codes, increased emissions, and reduced engine efficiency.

Q4: Is it compatible with all Volkswagen diesel models?
A4: No, compatibility depends on engine type, emission standard, and SCR system setup