Audi A3 8V 2.0 TDI Exhaust Gas Temperature Sensor EGT Cable Wiring 04L906088AC

Audi A3 8V 2.0 TDI Exhaust Gas Temperature Sensor EGT Cable Wiring is a component from the Lambda sensors and O2 sensors category, responsible for the precise measurement of exhaust gas parameters in the exhaust system. A properly functioning sensor supports the stable operation of the diesel engine, reduces the risk of DPF filter clogging, and helps maintain optimal fuel consumption.

Specifications and technical data

• SKU: 04L906088AC
• Mark: Audi
• Condition: Used
• OEM Part Number: 04L906088AC
• Substitutable numbers: 04L906088AC, 04L 906 088 AC
• Category: Oxygen Sensors

Function and application in the Audi A3 8V 2.0 TDI

The presented exhaust gas temperature sensor works with the engine control system in the Audi A3 8V generation with a 2.0 TDI unit. Its task is to monitor conditions in the exhaust gas stream near the diesel particulate filter, which allows the engine controller to properly manage the soot regeneration process and maintain the correct mixture and operating parameters.

Thanks to accurate readings from the sensor, the controller can:

• maintain stable engine operation under various load conditions,
• reduce excessive exhaust emissions,
• protect the DPF filter from overheating,
• respond to irregularities in the exhaust system operation.

Benefits of using an original Audi sensor

The original Audi component ensures a proper fit for the electrical installation and exhaust system of the specific engine version. Using a factory sensor translates into:

• consistency of measurement parameters with the maps stored in the engine controller,
• stable operation of the exhaust gas cleaning system with a DPF filter,
• reduced risk of errors related to exhaust gas temperature,
• easier diagnostics during future inspections.

Choosing an original solution is particularly important in modern diesel units, where the accuracy of temperature and exhaust composition measurement has a direct impact on the durability of components and the engine's refinement.

Installation and operational characteristics

The DPF exhaust gas temperature sensor (lambda sensor type) is structurally adapted to operate at high temperatures and in the exhaust environment of a diesel engine. The component is designed for installation in the factory-designated location in the Audi A3 8V 2.0 TDI exhaust system, maintaining the correct position of the sensor relative to the exhaust stream.

When replacing, it is recommended to:

• use appropriate tools for removing sensors from the exhaust system,
• check the condition of the thread in the mounting socket,
• inspect the wiring harness and connectors for mechanical damage or corrosion,
• perform adaptation / clear errors in the engine controller after installation, if required by service procedures.

Condition and selection of the correct component

The offered sensor is a used component, which allows for an economical repair of the exhaust system while maintaining the manufacturer's original specifications. Before installation, it is worth verifying compatibility with your vehicle based on the OEM part number and interchangeable numbers available in the technical specifications section.

If you want to better understand how to safely select and install used sensors and other engine electronics components, the following guide will be helpful: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?

Related components from the same group

If you are planning a comprehensive repair or upgrade of the exhaust area in your Audi and need other components from the same group, such as additional lambda sensors, O2 sensors, or related exhaust gas temperature sensors, check the available parts in the Audi Lambda sensors and O2 sensors category.