Audi A3 8P 1.4 TSI Lambda Sensor Oxygen Sensor Lambda Probe 07C906262BH

Audi A3 8P 1.4 TSI Lambda Sensor Oxygen Sensor Lambda Probe is a component from the Lambda sensors and O2 sensors category, responsible for precise measurement of exhaust gas composition in a gasoline engine. A properly functioning sensor supports the stable operation of the 1.4 TSI unit, improves engine refinement, and helps maintain optimal combustion parameters. This is a practical solution for users who want to restore the efficiency of the mixture control system in their Audi A3 8P.

Specifications and technical data

• SKU: 07C906262BH
• Mark: Audi
• Condition: Used
• OEM Part Number: 07C906262BH
• Substitutable numbers: 07C906262BH, 07C 906 262 BH, 0258017072, 0 258 017 072
• Fuel type: Petrol
• Category: Oxygen Sensors

Function and role of the lambda sensor in the Audi A3 8P 1.4 TSI

The lambda sensor in the 1.4 TSI gasoline engine monitors the oxygen content in the exhaust gases and sends a signal to the engine control unit (ECU). Based on this, the ECU adjusts the fuel dose, keeping the mixture within a range conducive to efficient combustion. A functional O2 sensor helps reduce fuel consumption, stabilizes idle speed, and supports the correct operation of the catalytic converter.

In practice, this means that replacing a worn-out sensor with a functional unit helps reduce symptoms such as rough engine operation, loss of dynamics, or increased exhaust emissions. For TSI units, which are sensitive to the quality of mixture regulation, a properly functioning O2 sensor is essential for the durability of the entire exhaust system.

Purpose and compatibility

The presented sensor is intended for use in the Audi A3 8P model with a 1.4 TSI gasoline engine. Attention should be paid to compatibility with the exhaust system and the engine control unit to ensure proper cooperation with the vehicle's electrical installation. The product comes from a group of components dedicated to gasoline-powered units, which is crucial when selecting parts within this category.

To ensure a perfect fit, it is worth using the OEM part number or interchangeable numbers, which are listed in the product's technical specification. This helps avoid installation problems and ensures correct signal interpretation by the engine control unit.

Product characteristics and condition

The offered Audi A3 8P 1.4 TSI Lambda Sensor Oxygen Sensor Lambda Probe is a used component, sourced from dismantling. This type of part is a good solution for users looking for an economical alternative to new components while maintaining original performance characteristics. A used lambda sensor from this product group allows for the restoration of correct exhaust gas composition readings without the need to invest in a brand-new element.

Choosing an original component from the secondary market helps maintain consistency of operating parameters with the factory settings of the controller. As a result, the air-fuel mixture regulation system can operate within the range intended by the vehicle manufacturer, which is important for both performance and the durability of the power unit.

Benefits of using a functional lambda sensor

Replacing a faulty lambda sensor with a properly working element from the Lambda sensors and O2 sensors category brings a number of practical benefits:

• more stable engine operation across the entire rev range,
• more predictable throttle response,
• better control over the air-fuel mixture composition,
• support for the correct operation of the catalytic converter and exhaust emission control system,
• reduced risk of errors related to mixture regulation.

For Audi A3 8P 1.4 TSI users, this means more repeatable driving parameters and less strain on other exhaust system components. A functional O2 sensor is one of the key elements influencing how the engine control unit manages fuel dosage in daily operation.

Selection of used electronics and sensors – expert support

When choosing a used lambda sensor, it is worth paying attention to the compatibility of markings, fuel type, and suitability for a specific engine version. A detailed discussion of the principles for selecting used sensors and control modules, including the importance of OEM numbers and compatibility issues, can be found in the Global Parts guide: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?

If you are planning a comprehensive repair or upgrade of the mixture control and exhaust system area in your Audi and need other components from the same group, such as additional sensors before and after the catalytic converter, O2 sensors in various positions of the system, or related measuring elements, check the available parts in the Audi Lambda sensors and O2 sensors category.