Volkswagen Tiguan 5N Exhaust Oxygen Lambda Probe D Sensor 2.0 Diesel 04L906262M

Volkswagen Tiguan 5N Exhaust Oxygen Lambda Probe D Sensor is a component from the Lambda probes and O2 sensors group, responsible for precise measurement of exhaust gas composition in a diesel engine. A properly functioning probe supports stable engine operation, reduces fuel consumption, and helps maintain compliance with emission standards. This used OEM component is a sensible choice for professional exhaust system repairs in a diesel-powered Tiguan 5N.

Specifications and technical data

• SKU: 04L906262M
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 04L906262M
• Substitutable numbers: 04L906262M, 04L 906 262 M, 04L 906 262 AG, 04L906262AG
• Fuel type: Diesel
• Category: Oxygen Sensors

The role of the lambda probe in a diesel engine

The lambda probe in a compression-ignition engine monitors the oxygen content in the exhaust gases, allowing the engine control unit to continuously adjust the fuel dosage. This ensures the injection system maintains optimal mixture proportions, while the particulate filter and other exhaust system components operate under stable conditions. For diesel-powered units, this is significant for both component durability and engine refinement.

Benefits of using an original lambda probe

The original lambda probe designed for the Volkswagen Tiguan 5N ensures correct measurement characteristics and compatibility with the factory engine control software. Using a component from the same design group minimizes the risk of diagnostic errors, rough idling, or increased fuel consumption. This is particularly important in modern diesel units, where the emission control system is complex and sensitive to the quality of sensor signals.

Condition, fitment, and installation

The item is sourced from disassembly and is intended for reinstallation in a vehicle requiring a lambda probe replacement in the exhaust system. A used OEM part is a solution that allows for reduced repair costs while maintaining proper fitment to the electrical installation and the threaded socket in the exhaust system. Installation should be performed using an appropriate lambda probe socket and the correct tightening torque to avoid damaging the thread and to ensure a leak-proof connection.

Diagnostics and selection of used engine electronics

When replacing a lambda probe, it is worth performing a full engine control system diagnostic to confirm the accuracy of readings and rule out other causes of errors. If you decide to use second-hand electronic components – such as engine control units, modules, or sensors – practical tips on selecting and verifying components will be helpful. A detailed discussion of this topic can be found in the article A second life for electronics – when is it worth choosing used engine control units, comfort modules, and parking sensors?, which will help you make an informed decision when purchasing used parts.

Expanding the exhaust measurement system in your Volkswagen

If you are planning a comprehensive repair or upgrade of the exhaust system area in your Volkswagen and need other elements from the same group, such as additional probes, O2 sensors, or exhaust gas composition measurement components, check the available parts in the Volkswagen Lambda probes and O2 sensors category.