VW Audi Skoda Exhaust Pressure Sensor DPF Particulate Filter Sensor 059906051C

VW Audi Skoda TDI Exhaust Pressure Sensor DPF is a component from the Lambda Sensors and O2 Sensors group, responsible for precise measurement of exhaust pressure before and after the DPF particulate filter in TDI engines. A correctly functioning sensor ensures stable exhaust system operation, supports the engine control unit in managing the filter regeneration process, and helps maintain proper emission parameters. This solution is designed for users who expect a proven component with factory performance characteristics.

Specifications and technical data

• SKU: 059906051C
• Mark: Audi
• Condition: Used
• OEM Part Number: 059906051C
• Substitutable numbers: 059906051C, 059 906 051 C
• Category: Oxygen Sensors

Role of the DPF Exhaust Pressure Sensor in a TDI Engine

The DPF exhaust pressure sensor in a TDI system monitors the pressure difference before and after the particulate filter, transmitting the signal to the engine control unit. Based on this data, the ECU assesses the soot accumulation level in the filter, selects the regeneration strategy, and adjusts fuel injection and boost parameters. A functional sensor reduces the risk of DPF clogging, the engine entering limp mode, and exhaust system-related error codes.

Benefits of Using an Original Audi Sensor

Choosing a sensor from the Audi OE group translates to:

• Factory Signal Characteristics – correct cooperation with the engine control unit software without the need for adaptation.
• Stable readings across the full load range – from idle to high loads during highway driving.
• Better control of the DPF regeneration process, which promotes filter flow and reduces the risk of premature wear.
• Reduced likelihood of diagnostic errors related to exhaust pressure.

For TDI engine users, this means more predictable engine operation, stable RPMs, and proper response to load in typical urban and highway driving conditions.

Selection, Compatibility, and Diagnostics

To correctly select a DPF exhaust pressure sensor, it is advisable to use OEM designations and interchangeable numbers assigned to a specific reference. This helps avoid problems with mechanical compatibility (type of connectors, mounting method) and electrical compatibility (connector, signal characteristics). In practice, with symptoms such as:

• frequent or unsuccessful DPF regeneration attempts,
• loss of power and entry into limp mode,
• error codes related to exhaust pressure or pressure difference,

it is worth considering the exhaust pressure sensor as one of the first components to verify. A correctly functioning component facilitates subsequent diagnostics of the entire exhaust system.

Product Characteristics and Practical Application

The presented sensor belongs to the Lambda Sensors and O2 Sensors category, a group of components responsible for measuring exhaust parameters and transmitting them to the engine control unit. For TDI units with a DPF filter, this is a crucial input signal for control algorithms, influencing:

• maintaining appropriate pressure in the exhaust system,
• monitoring the load on the particulate filter,
• overall engine smoothness across different RPM ranges.

A used component from this group, sourced from disassembly, can be an economically justified alternative to new parts, especially in vehicles used intensively or with higher mileage, where a reasonable balance between repair cost and maintaining correct operating parameters is important.

More About Used Electronics and Sensors

When choosing a used exhaust pressure sensor, it is worth paying attention to the compatibility of designations, hardware and software versions, and the mounting method in a specific model. A detailed discussion of selection principles, including working with OEM numbers, interpreting designations, and practical examples of installation and diagnostics, can be found in the Global Parts guide: Used Automotive Electronics – Second-Hand ECUs and Sensors.

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