Audi A6 C7 A7 4G Exhaust Lambda Probe Oxygen Sensor 2.8 TFSI CHVA 06E906265AB

The Audi A6 C7 A7 4G Lambda Sensor Exhaust 2.8 TFSI CHVA is an original part from the Lambda Sensors and O2 Sensors category, designed for 2.8 TFSI gasoline engines. It ensures precise exhaust gas composition measurement, contributing to stable engine operation and correct fuel injection system functionality.

Specifications and technical data

• SKU: 06E906265AB
• Mark: Audi
• Condition: Used
• OEM Part Number: 06E906265AB
• Substitutable numbers: 06E906265AB, 06E 906 265 AB
• Fuel type: Petrol
• Category: Oxygen Sensors

Application and Function in the 2.8 TFSI Engine

The presented exhaust sensor is responsible for accurate measurement of oxygen content in exhaust gases, allowing the engine control unit to adjust the fuel dose in real-time. In 2.8 TFSI CHVA units, this is crucial for:

• maintaining an optimal fuel-air mixture across the full load range,
• stable idle speed and smooth acceleration,
• efficient catalytic converter operation and reduced exhaust emissions,
• lower fuel consumption while preserving full engine dynamics.

A functional lambda sensor is particularly important in modern direct-injection gasoline engines, where the engine control unit heavily relies on O2 sensor data.

Benefits of Installing an Original Audi Lambda Sensor

Choosing an original O2 sensor for the Audi A6 C7 / A7 4G allows you to maintain the performance parameters specified by the manufacturer. In practice, this means:

• guaranteed electrical compatibility with the vehicle's wiring and engine control unit,
• correct signal characteristics across the entire range of temperatures and loads,
• stable long-term fuel-air mixture adjustments,
• reduced risk of OBD errors related to overly rich or lean mixtures.

By maintaining factory specifications, the sensor supports the smooth operation of the 2.8 TFSI unit, positively impacting driving comfort, throttle response, and the lifespan of exhaust system components.

Product Characteristics and Condition

The offered Audi lambda sensor for gasoline engines is a used part, sourced from disassembly. It is a good solution for users seeking a technically sound sensor within a reasonable budget, while maintaining the original manufacturer's specifications.

Due to the nature of used parts, it is recommended to perform a standard inspection of the vehicle's electrical system (wiring harness, connectors, ground) before installation to ensure proper sensor operating conditions and prevent signal interference.

Selection by Numbers and Vehicle Compatibility

This lambda sensor belongs to a group of components designated with a specific OEM number and has interchangeable numbers, which facilitates precise part identification in service catalogs and selection programs. It is recommended to select by part number or VIN to confirm full compatibility with a specific Audi A6 C7 or A7 4G configuration with a gasoline engine.

If you need a wider selection within the same product group, check out other Audi Lambda Sensors and O2 Sensors available in our assortment: Audi Lambda Sensors and O2 Sensors.

Why Choose a Used O2 Sensor?

For engine electronics and exhaust sensors, a well-selected used part can be an economical and technically justified alternative to a new part. However, proper selection by part numbers and verification of hardware and software compatibility are crucial.

More practical tips on choosing used sensors and control modules can be found in our guide: Used Automotive Electronics Onboard – Why Choose Second-Hand ECUs and Sensors?

Summary

The Audi A6 C7 A7 4G Lambda Sensor Exhaust 2.8 TFSI CHVA is an original, used exhaust system component for gasoline engines that provides reliable exhaust gas composition measurement and supports the correct operation of the engine control unit. It is a sensible choice for drivers who want to restore proper fuel system function and reduce exhaust emissions while maintaining the factory operating parameters of the 2.8 TFSI unit.