Fitment

Volkswagen Audi Skoda Seat 1.6 TDI and 2.0 TDI Euro 6 SCR diesel vehicles including

• Volkswagen Golf 7 1.6 TDI / 2.0 TDI
• Volkswagen Passat B8 1.6 / 2.0 TDI
• Volkswagen Tiguan 2.0 TDI
• Volkswagen Touran 2.0 TDI
• Volkswagen T Roc 1.6 / 2.0 TDI
• Audi A3 8V 1.6 / 2.0 TDI
• Audi A4 B9 2.0 TDI (selected SCR versions)
• Audi Q3 F3 2.0 TDI
• Skoda Octavia 3 / 4 1.6 / 2.0 TDI
• Skoda Superb 3 2.0 TDI
• Seat Leon 1.6 / 2.0 TDI
• Seat Ateca 2.0 TDI

OE reference
04L907805CG
0281007147
0281007148

FAQ

What is this NOx sensor used for

It measures nitrogen oxide levels in diesel exhaust gas and sends data to ECU for SCR AdBlue emission control system

Is this inlet or outlet sensor

It can be installed as inlet or outlet depending on SCR system layout and ECU configuration

Are all 04L907805CG sensors interchangeable

No VW Group NOx sensors are ECU coded and must match exact OE number and calibration version

What system does it work with

SCR Selective Catalytic Reduction system using AdBlue injection for Euro 6 diesel emission compliance

What are common failure symptoms

Engine warning light SCR AdBlue fault reduced power limp mode NOx sensor communication error and emission efficiency faults