Opel Vivaro B 1.6 CDTI Lambda Probe Oxygen Sensor 226A42455R

Opel Vivaro B 1.6 CDTI Lambda Probe Oxygen Sensor is a component from the Lambda probes and O2 sensors group, responsible for precise exhaust gas composition measurement and the proper operation of the fuel injection system. Maintaining a functional lambda probe translates into stable engine performance, correct fuel dosage, and reduced exhaust emissions. This model is designed for use in the 1.6 CDTI unit, allowing for a technically matched replacement in the Opel Vivaro B.

Specifications and technical data

• SKU: 226A42455R
• Mark: Opel
• Condition: Used
• OEM Part Number: 226A42455R
• Substitutable numbers: 226A42455R, 226 A42 45 5R
• Category: Oxygen Sensors

The role of the lambda probe in the 1.6 CDTI engine

The lambda probe in the 1.6 CDTI diesel engine monitors the oxygen content in the exhaust gases, sending a signal to the engine control unit (ECU). Based on this, the ECU corrects the fuel dosage, injection timing, and turbocharger operation to maintain optimal combustion conditions. A functional O2 sensor helps reduce smoke, improves engine refinement, and supports the proper operation of the diesel particulate filter (DPF).

Thanks to accurate exhaust parameter readings, it is possible to maintain stable idle speed, better throttle response, and predictable vehicle behavior under various load conditions. In practice, this means more consistent performance and a lower risk of the engine entering limp mode.

Benefits of using a dedicated lambda probe

Using a lambda probe matched to the Opel Vivaro B 1.6 CDTI ensures compliance with the factory engine control system characteristics. The component from this group is designed for specific temperature parameters, signal voltage ranges, and communication methods with the controller, which minimizes the risk of diagnostic errors and incorrect readings.

The most important advantages of a correctly selected lambda probe include:

• more stable engine operation across the entire rev range,
• more predictable fuel consumption,
• better compatibility with the exhaust gas treatment system,
• reduced risk of error lights related to fuel mixture and emissions.

Product characteristics and fitment

The presented Opel Vivaro B 1.6 CDTI Lambda Probe Oxygen Sensor comes from the OEM group, which means its design complies with the vehicle manufacturer's requirements. As a result, the correct operating parameters are maintained, and installation does not require any electrical or mechanical modifications. The product belongs to the Lambda probes and O2 sensors category, which facilitates its identification in the context of the exhaust system and emission diagnostics.

The used condition allows for an economical replacement of the component while maintaining the functionality required for the proper operation of the power unit. This solution is particularly beneficial for maintenance repairs, where keeping the vehicle operational at reasonable service costs is key.

Practical installation and maintenance tips

When replacing the lambda probe, it is recommended to pay attention to the condition of the thread in the manifold or exhaust pipe and ensure proper cable routing, away from excessive heat sources. Proper tightening and connection tightness have a direct impact on the quality of exhaust readings. After installation, it is worth performing an adaptation or clearing errors in the engine controller so that the ECU can correctly interpret the new sensor's signal.

Regular monitoring of lambda probe operating parameters via computer diagnostics allows for early detection of performance degradation before a noticeable increase in fuel consumption or emission problems occurs. This is particularly important in commercial vehicles, where engine stability translates into predictable operating costs.

Expanding the exhaust measurement system in your Opel

If you are planning a comprehensive repair or upgrade of the engine area in your Opel and need other components from the same group, such as additional oxygen sensors, pre-catalytic probes, or post-DPF probes, check out the available parts in the Lambda probes and O2 sensors Opel category.

When deciding to use pre-owned measurement and electronic components in a vehicle, it is worth learning about good practices for selecting and testing such parts. A detailed discussion of this topic can be found in the article The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?, which helps you make an informed approach to choosing used automotive electronics and sensors.