Audi A6 C7 A7 4G Fuel Pressure Sensor 3.0 TDI 059130299BH

Audi A6 C7 A7 4G Fuel Pressure Sensor 3.0 TDI is an original component from the Air and fuel intake sensors group, designed for precise monitoring of fuel system parameters in 3.0 TDI diesel engines. Maintaining the correct fuel pressure is crucial for the stable operation of the power unit, which is why using a factory-spec sensor helps preserve proper engine performance, efficiency, and emission control.

Specifications and technical data

• SKU: 059130299BH
• Mark: Audi
• Condition: Used
• OEM Part Number: 059130299BH
• Substitutable numbers: 059130299BH, 059 130 299 BH, 059 130 299 CD, 059130299CD
• Category: Air Intake & Fuel Sensors

Purpose and function of the sensor

The presented sensor is a component of the common rail system responsible for real-time fuel pressure measurement and transmitting the signal to the engine control unit (ECU). Based on this data, the electronics manage fuel dosing, injection timing, and protection strategies, which affects:

• stable engine starting in both cold and warm conditions,
• smooth engine operation across the entire rev range,
• reduction of smoke and power loss under load,
• safe operation of the high-pressure pump and injectors.

By using an original solution, full signal compatibility with factory ECU maps is maintained, which minimizes the risk of errors and limp mode.

Benefits of using an original sensor

In high-pressure diesel systems, repeatability and measurement accuracy are key. Using a sensor from the same product line as the factory equipment ensures:

• proper cooperation with engine electronics without the need for software adaptation,
• appropriate signal characteristics across the entire operating pressure range,
• reduced risk of fuel pressure-related error codes,
• better parameter repeatability compared to cheap replacements.

This solution is particularly recommended for symptoms such as fluctuating idle, power loss, uneven idling, or intermittent limp mode related to fuel pressure.

Product characteristics and installation

The offered component belongs to the Air and fuel intake sensors group, meaning it works directly with the engine's fuel supply system. The sensor design is prepared for installation in the factory location provided by the manufacturer, which facilitates service and reduces replacement time.

Before installation, it is recommended to:

• verify compatibility by OEM number or interchangeable part numbers,
• check the condition of the socket and electrical wiring,
• use the appropriate fuel system bleeding procedure after replacement.

This approach helps avoid repeated disassembly and speeds up the diagnosis of potential faults in the future.

Product condition and practical application

The item is offered in used condition, which provides an attractive cost-effective solution while maintaining factory specifications. For many Audi A6 C7 and A7 4G 3.0 TDI owners, this is a reasonable compromise between price and quality, especially for maintenance repairs and restoring full fuel system efficiency.

In practice, replacing the fuel pressure sensor is often one of the key steps when:

• clearing error codes stored in the ECU regarding rail pressure,
• diagnosing hot-start issues,
• restoring full power after long-term use or fuel system modifications.

Technical support and part selection

When selecting components from the Air and fuel intake sensors group for modern diesel engines, it is worth verifying by OEM number, interchangeable numbers, and vehicle data. A detailed discussion on the principles of selecting used sensors and electronic modules, along with practical examples and FAQs, can be found in the Global Parts guide: Used automotive electronics – how to safely choose ECU modules and sensors.

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other components from the same group, such as pressure sensors, temperature sensors, or fuel system measuring elements, check the available parts in the Audi air and fuel intake sensors category.