Audi RSQ3 F3 DPF Differential Pressure Sensor 2.5 TFSI 057906051H 83A131552G

Audi RSQ3 F3 DPF Differential Pressure Sensor 2.5 TFSI is a precision component from the Electronic control modules and controllers group, responsible for monitoring exhaust system parameters in the 2.5 TFSI unit. A properly selected DPF differential pressure sensor ensures stable engine operation, correct diesel particulate filter regeneration, and consistency with Audi's factory control logic.

Specifications and technical data

• SKU: 057906051H-3
• Mark: Audi
• Condition: Used
• OEM Part Number: 057906051H
• Substitutable numbers: 057906051H, 057 906 051 H, 83A131552G, 83A 131 552 G
• Category: ECUs & Computer Modules

Function and role of the DPF differential pressure sensor

The DPF differential pressure sensor in the Audi RSQ3 F3 monitors the pressure difference before and after the diesel particulate filter, transmitting a signal to the engine control unit. Based on this data, the ECU calculates the soot load level of the filter and initiates the regeneration process. A functional component from this group allows you to:

• maintain the correct DPF regeneration strategy,
• reduce the risk of the engine entering limp mode,
• ensure stable operating parameters for the 2.5 TFSI unit,
• maintain compliance with Audi's factory control maps.

Compatibility with the Audi control system

The presented sensor belongs to the Electronic control modules and controllers group, which means it works in strict cooperation with the factory Audi engine control unit. The appropriate signal characteristics, matched to the ECU logic, help avoid issues with diagnostic errors, incorrect pressure interpretation, or disturbances in the exhaust gas treatment system.

By maintaining the original electrical and communication architecture, the installation of such a sensor is predictable in terms of operating parameters – the controller receives a signal with the correct scale and dynamics, which translates into consistent operation of the entire exhaust system.

Product characteristics and condition

The offered Audi brand component comes from the OEM segment, which helps maintain factory quality standards and compatibility. The product is in used condition, which in practice represents an attractive compromise between cost and maintaining the manufacturer's original specifications. For many RSQ3 F3 users, this is a reasonable solution for diagnosing and repairing the DPF system, especially when consistency with factory software is a priority.

Choosing a used DPF differential pressure sensor allows for reduced service costs while maintaining proper cooperation with the existing electrical harness and engine controller. It is a practical option when replacing a component due to errors related to exhaust pressure or incorrect filter regeneration.

Benefits of using an original sensor in the Audi RSQ3 F3

Using an original sensor in the Audi RSQ3 F3 with a 2.5 TFSI engine translates into a number of measurable operational benefits:

• Stable DPF operation – correct pressure readings enable the ECU to precisely control the regeneration process.
• Better diagnostics – signal values fall within the ranges expected by the controller, which facilitates log interpretation and work with diagnostic testers.
• Consistency with other electronics – the sensor is designed to work with specific Audi electrical architecture, which reduces the risk of incompatibility.
• Cost optimization – a used OEM component allows you to maintain high quality at a lower financial outlay than in the case of a new part.

More about the philosophy of used Audi parts

If you want to better understand how original components – from control modules to equipment elements – influence the driving character and durability of your car, check out the article Audi and emotions in their purest form – how used parts help maintain the brand's DNA. You will find practical tips there on why it is worth choosing components that comply with Audi's factory specifications.

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