Volkswagen Caddy Maxi 2k Lambda Oxygen Probe Sensor 2.0 TDI Diesel 04L907805CC

Volkswagen Caddy Maxi 2k Lambda Oxygen Probe Sensor 2.0 TDI Diesel is an original component from the Lambda probes and O2 sensors group, designed for diesel engines. It enables precise measurement of exhaust gas composition in the 2.0 TDI unit, which translates into stable engine operation, correct fuel dosage, and compliance with exhaust emission standards.

Specifications and technical data

• SKU: 04L907805CC
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 04L907805CC
• Substitutable numbers: 04L907805CC, 04L 907 805 CC
• Fuel type: Diesel
• Category: Oxygen Sensors

Purpose and function in the exhaust system

The lambda probe in the Caddy Maxi 2K model with a 2.0 TDI engine is responsible for the ongoing monitoring of the air-fuel mixture composition in the diesel engine. Based on the signal from the sensor, the engine control unit adjusts the fuel dose, which helps maintain:

• stable idle speed,
• proper dynamics during acceleration,
• efficient operation of the exhaust gas treatment system,
• reduced exhaust smoke under load.

For units powered by Diesel fuel, a properly functioning lambda probe is crucial for maintaining the balance between performance and fuel economy.

Benefits of using an original lambda probe

Choosing an original O2 sensor for the Caddy Maxi 2K ensures the correct signal characteristics and compatibility with the factory engine control unit software. As a result:

• the controller receives a signal with the appropriate frequency and amplitude,
• fuel dose adaptations proceed in a predictable manner,
• it is easier to maintain smooth engine operation across a wide range of loads,
• the risk of errors related to the exhaust emission system is reduced.

This solution is particularly beneficial when diagnosing problems with smoke, increased fuel consumption, or unstable engine operation.

Characteristics of the used component

The presented lambda probe is a secondary market item, which allows for lower repair costs compared to a new OEM part. A used component of this type is often chosen for:

• maintenance repairs in fleet vehicles,
• restoring vehicle efficiency after an exhaust system failure,
• optimizing service costs while maintaining original specifications.

For many users, this is a reasonable compromise between price and maintaining the factory characteristics of the engine control system.

Selection and integration with vehicle electronics

To properly select a lambda probe for the Caddy Maxi 2K with a 2.0 TDI engine, it is worth verifying compatibility with factory markings and the engine type. This helps avoid problems with:

• incorrect cable length and wiring harness routing,
• differences in electrical connectors,
• incorrect signal interpretation by the controller.

During installation, it is recommended to follow the correct service procedure, use appropriate tools for removing the probe, and check the tightness of connections in the exhaust system after replacement.

Expanding the exhaust measurement system in your Volkswagen

If you are planning a comprehensive repair or upgrade of the exhaust and emission control area in your Volkswagen and need other elements from the same group, such as additional O2 sensors, pre-catalytic converter probes, or post-particulate filter probes, check the available parts in the Volkswagen Lambda probes and O2 sensors category.

More about used electronics and sensors

When choosing used measurement and control components, it is worth knowing the basic principles of assessing their condition and matching them to a specific car model. Practical tips on selecting used sensors and modules can be found in the article: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?