Audi A3 8V 2.0 TDI CUWA Exhaust NOX Lambda Oxygen Sensor 04L907805CE

Audi A3 8V 2.0 TDI CUWA Exhaust NOX Lambda Oxygen Sensor is a specialized component from the Lambda probes and O2 sensors group, designed for diesel systems. It is responsible for the precise measurement of exhaust gas composition in a diesel engine, which supports the efficient operation of the exhaust gas treatment system and the stable performance of the power unit.

Specifications and technical data

• SKU: 04L907805CE
• Mark: Audi
• Condition: Used
• OEM Part Number: 04L907805CE
• Substitutable numbers: 04L907805CE, 04L 907 805 CE
• Fuel type: Diesel
• Category: Oxygen Sensors

Purpose and function in the exhaust system

The presented Audi NOX sensor has been designed for diesel engines where precise monitoring of exhaust gas composition is crucial. As an element of the Lambda probes and O2 sensors category, it works with the engine control system, transmitting information necessary for controlling the combustion process and the operation of emission reduction systems.

In practice, this means more stable engine performance, better response to load, and the ability to maintain emission parameters at a level consistent with the manufacturer's specifications. A properly functioning NOX sensor also helps reduce the risk of the engine entering limp mode caused by incorrect exhaust gas composition readings.

Benefits of using a dedicated NOX sensor

Using a dedicated solution for the Audi A3 8V 2.0 TDI CUWA translates into a number of practical operational benefits:

• maintaining the proper operation of the exhaust gas treatment system in a diesel engine,
• reducing the risk of emission-related errors in the engine control unit,
• stable engine performance parameters under various loads,
• better conditions for maintaining optimal fuel consumption.

Thanks to this, replacing a faulty component with a functional NOX sensor allows for restoring the correct operation of the exhaust system and electronic emission monitoring, which is particularly important in modern diesel units.

Characteristics and condition of the component

The offered sensor belongs to the group of original Audi components, which promotes proper fitment to the factory installation and compatibility with the engine control unit software. The product is in used condition, which allows for combining functionality with a more economical approach to vehicle service, while maintaining the performance characteristics intended for this type of component.

As a sensor intended for diesel-powered units, it has been designed taking into account the specific high temperatures and exhaust gas composition typical for diesel engines. The correct selection of the component for a specific engine version is crucial for proper cooperation with the control system.

Professional selection and installation

To fully utilize the capabilities of the offered NOX sensor, installation in a specialized service center is recommended, following procedures regarding exhaust and electronic systems. Proper routing of wires, correct seating of the component in the system, and checking for errors in the controller after installation help avoid recurring faults and ensure stable system operation.

For users who want to deepen their knowledge about the selection and operation of used modules and sensors in modern cars, a guide describing the principles of selection by OEM numbers, hardware and software compatibility issues, and practical application examples will be helpful: Used automotive electronics – a guide to selecting ECU modules and sensors.

Expansion of the exhaust measurement system in Audi

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

Choosing a used NOX sensor is also an economically advantageous solution, allowing for reduced service costs while maintaining the functionality required by modern diesel units. If you are interested in the broader context of using used components in the automotive industry and their impact on the environment and operating budget, it is worth reading the material: Eco-driving and the benefits of using used car parts.