Audi RSQ3 F3 DPF Differential Pressure Sensor 2.5 TFSI 057906051H 83A131552F

Audi RSQ3 F3 DPF Differential Pressure Sensor 2.5 TFSI is a component from the Electronic control modules and controllers group, responsible for the precise measurement of exhaust gas pressure before and after the diesel particulate filter in the 2.5 TFSI engine. A properly functioning sensor supports the engine control unit in managing the DPF regeneration process, stabilizes the engine's operating parameters, and helps maintain the characteristic dynamics of Audi RS models.

Specifications and technical data

• SKU: 057906051H-2
• Mark: Audi
• Condition: Used
• OEM Part Number: 057906051H
• Substitutable numbers: 057906051H, 057 906 051 H, 83A131552F, 83A 131 552 F
• Category: ECUs & Computer Modules

Function of the DPF differential pressure sensor in the Audi RSQ3 F3

The exhaust pressure sensor in the DPF system of the Audi RSQ3 F3 with a 2.5 TFSI engine monitors the pressure difference before and after the diesel particulate filter. Based on this data, the engine control unit calculates the soot loading level of the filter and initiates the regeneration process. A functional component:

• ensures stable operation of the exhaust system and emission control system,
• reduces the risk of the engine entering limp mode,
• supports the maintenance of proper performance and throttle response,
• helps maintain compliance with emission standards.

Benefits of using an original Audi module

As a part from the Electronic control modules and controllers group, this sensor works directly with the factory Audi engine control unit. Proper matching of electrical parameters and measurement characteristics results in:

• correct signal interpretation by the ECU without the need for software modifications,
• consistent operation with other sensors in the intake and exhaust system,
• reduced risk of diagnostic errors related to incorrect pressure readings,
• maintenance of predictable 2.5 TFSI engine behavior across the full load range.

For high-power units such as the 2.5 TFSI in the RSQ3 F3, proper sensor integration with the vehicle's electronics is essential for the durability of the DPF filter and overall driving comfort.

Application in control systems and diagnostics

The DPF differential pressure sensor is directly linked to the engine control unit's logic. Its signal is used, among other things, for:

• assessing the soot loading level of the diesel particulate filter,
• controlling the passive and active regeneration process,
• detecting leaks or irregularities in the exhaust system,
• generating DPF-related fault codes in case of deviations from reference values.

For the user, this means that a functional sensor helps reduce warning messages on the instrument cluster and facilitates proper diagnostics at the service center, as the controller receives reliable measurement data.

Product characteristics and condition

The offered sensor belongs to the Audi brand and is a component sourced from a vehicle, which allows for the preservation of the factory operating characteristics of the system. The used condition means that the component has been previously operated but can still perform its function after proper installation and verification in the vehicle. For many users, this is a reasonable compromise between cost and maintaining the original manufacturer's specifications.

Selection and vehicle integration

When selecting a DPF differential pressure sensor for the Audi RSQ3 F3, it is crucial to match it to the specific 2.5 TFSI engine version and ensure compatibility with the control system. The product has an assigned OEM part number and interchangeable numbers, which facilitates compatibility verification in service catalogs and parts systems. In practice, this translates to:

• the possibility of direct installation in place of the factory component,
• retention of the original wiring harness and connectors,
• no need for mechanical or electrical adaptation.

If you are planning a comprehensive repair or upgrade of the engine control and exhaust system area in your Audi and need other components from the same group, such as sensors, control modules, or auxiliary controllers, check the available parts in the Audi electronic control modules and controllers category.

More on maintaining the Audi character

For owners of RS models, it is particularly important to maintain the consistent character of the car – from engine performance to throttle response and driving culture. Properly selected, original electronic components, such as sensors or modules, help maintain factory settings and predictable vehicle behavior. If you want to better understand how used OEM parts help maintain the brand's DNA on the road, read the article Audi and pure emotion. How used parts help maintain the brand's DNA?.