VW Volkswagen Golf Cd1 NOx Oxygen Probe Sensor 2.0 TDI DTSB Diesel 05L907807J

VW Volkswagen Golf Cd1 NOx Oxygen Probe Sensor 2.0 TDI DTSB Diesel is a component from the Lambda probes and O2 sensors group, designed for Volkswagen diesel systems. It enables precise measurement of nitrogen oxides in diesel engine exhaust gases, supporting the proper operation of the exhaust gas treatment system and stable engine control strategy.

Specifications and technical data

• SKU: 05L907807J
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 05L907807J
• Substitutable numbers: 05L907807J, 05L 907 807 J
• Fuel type: Diesel
• Category: Oxygen Sensors

Purpose and function in the exhaust system

The NOx sensor in a diesel engine is responsible for continuous monitoring of exhaust gas composition for nitrogen oxide content. Based on its signal, the engine control unit adjusts the fuel dose, exhaust gas recirculation system operation, and exhaust treatment strategy, which translates into stable engine performance and compliance with emission standards.

In the case of 2.0 TDI diesel units, using the appropriate NOx sensor is crucial for proper cooperation with the factory ECU software. Selecting the correct component from this group helps reduce the risk of error codes in the ECU memory, limp mode, and power loss.

Benefits of using an original NOx sensor

Using a NOx sensor dedicated to Volkswagen systems ensures:

• proper communication with vehicle electronics – correct signal parameters for the engine control unit,
• stable fuel dose correction values during cold and warm operation,
• consistency with the factory emission reduction strategy in the diesel engine,
• reduction in the risk of warning lights related to the exhaust system.

For the user, this means more predictable vehicle behavior, better throttle response, and maintaining engine operating parameters within the range specified by the manufacturer.

Technical characteristics and vehicle integration

The offered NOx sensor belongs to a group of measuring elements that work with diesel engine control systems. It is adapted to operate in the demanding environment of the exhaust system, where high temperatures and variable exhaust flow conditions occur.

The component is intended for Volkswagen diesel vehicles that are equipped with a NOx sensor as part of the factory emission control system. This allows for direct integration with the existing wiring harness and controller, without the need for installation modifications.

Product condition and service application

The product is offered as a used component, making it an attractive cost-effective alternative compared to new parts, while maintaining the functionality required for daily operation. This type of solution is often chosen for diagnostics and repairs of exhaust systems in vehicles with higher mileage, where a reasonable balance between cost and service effect is important.

The NOx sensor can be used both for a typical replacement of a damaged sensor and during broader work on the diesel engine control system, when it is necessary to verify several components simultaneously.

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

More about used electronics and sensors

When selecting used measuring and electronic components, it is worth knowing the basic principles of verifying their suitability and cost-effectiveness of installation. If you want to better understand when choosing a used sensor or module makes sense, how to assess its condition, and what to pay attention to during installation, read the article: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?

Additional information about which used components are most often chosen by drivers of popular car models is also provided in the guide: The best used car parts – a guide to the most frequently chosen original parts.