FITMENT
Compatible with Volvo diesel trucks and heavy-duty vehicles equipped with SCR (Selective Catalytic Reduction) systems requiring NOx monitoring.
Common applications include Volvo Euro 5 / Euro 6 diesel engines using reference 5WK96644 / 22303390.

FAQ
Q1: What is the function of this NOx sensor?
A1: It measures nitrogen oxide (NOx) levels in exhaust gases and sends real-time data to the ECU to control AdBlue/DEF injection and maintain emissions compliance.

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

Q3: What are symptoms of failure?
A3: Engine warning light, SCR system fault codes, increased emissions, reduced engine performance, or limp mode activation.

Q4: Is it compatible with all Volvo vehicles?
A4: No, compatibility depends on engine model, emissions standard, and SCR system setup.