Audi A1 8X 1.2 1.4 TSI VW Golf 7 Petrol Exhaust Lambda Oxygen Sensor 04E906262EB

The Audi A1 8X 1.2 1.4 TSI / VW Golf 7 Lambda Sensor is a precise exhaust gas oxygen sensor designed for petrol engines, supporting the correct operation of the exhaust system and fuel-air mixture control. As a component from the Lambda Sensors and O2 Sensors group, it provides a stable signal to the engine control unit, ensuring efficient engine operation and emission control. A used genuine part is a sensible choice for drivers looking for a technically compatible solution at an attractive price.

Specifications and technical data

• SKU: 04E906262EB
• Mark: Audi
• Condition: Used
• OEM Part Number: 04E906262EB
• Substitutable numbers: 04E906262EB, 04E 906 262 EB, 0281004, 059 906 262, 059906262
• Fuel type: Petrol
• Category: Oxygen Sensors

Purpose and Compatibility

The presented lambda sensor for Audi A1 8X 1.2 / 1.4 TSI and VW Golf 7 is designed to work with petrol engines where fast and repeatable exhaust gas composition analysis is crucial. The sensor operates within the exhaust system, transmitting information to the control unit necessary for fuel injection correction, which helps maintain stable engine operation and reduce fuel consumption. By using a genuine Audi / VW component, the correct electrical and timing characteristics are maintained, which is important for modern TSI engines.

Function in a Petrol Engine Exhaust System

In a petrol engine, the lambda sensor acts as an oxygen content sensor in the exhaust gases, and its correct operation directly impacts:

• maintaining the optimal fuel-air mixture composition under various load conditions,
• catalytic converter operation and the effectiveness of harmful exhaust component reduction,
• engine response to load changes and idle stability,
• overall engine running smoothness and emission levels.

Replacing a worn-out sensor with a functional part helps restore correct system operating parameters, reduces the risk of error lights illuminating, and lowers the chance of accelerated catalytic converter wear. For TSI engines, which are sensitive to the quality of sensor signals, using a properly selected sensor is particularly important.

Characteristics of the Used Part

The offered oxygen sensor is a used genuine part, sourced from disassembly, which allows for maintaining factory operating parameters while reducing repair costs. A used lambda sensor is a good solution when compatibility with the factory installation is important, and at the same time, vehicle operating economy is a priority. Choosing a genuine component from the aftermarket reduces the risk of issues with connector fitment, thread, or cable length, which are common with cheaper alternatives.

Benefits of Using a Lambda Sensor in Audi A1 8X / VW Golf 7

Using a properly selected lambda sensor in a petrol engine brings a range of practical benefits:

• more stable engine operation across the entire RPM range,
• better throttle response due to correct fuel injection correction,
• reduction of excessive fuel consumption resulting from incorrect mixture composition,
• decreased risk of catalytic converter damage from an overly rich mixture,
• easier system diagnostics when the control unit receives a reliable signal from the sensor.

For Audi and VW users, this means more predictable operation and the ability to maintain TSI engine parameters close to factory levels.

Selection, Numbers, and Technical Support

When selecting a lambda sensor for a specific version of the Audi A1 8X or VW Golf 7, it is crucial to match it by OEM number and interchangeable part numbers, as well as consider the fuel type – in this case, it is a petrol engine. If in doubt, it is advisable to use the VIN number or service documentation to ensure the sensor will work with the specific engine control unit and vehicle electrical system.

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

To better understand how to safely choose used sensors and other engine electronics components, it is worth reading the guide describing selection by VIN and OEM numbers, hardware and software compatibility issues, and practical installation examples: Used Car Electronics Onboard – Why Choose Second-Hand ECUs and Sensors?.