Audi TT FV A3 8V A6 C7 Fuel Injection Rail Pressure Sensor 2.0 TFSI 06H906051J

Audi TT FV A3 8V A6 C7 Fuel Injection Pressure Sensor 2.0 TFSI is a precise component of the gasoline fuel system, responsible for accurately measuring fuel pressure in the fuel rail. A properly functioning sensor ensures stable operation of the 2.0 TFSI unit, optimal fuel delivery, and correct interaction with the engine control unit. By choosing this component from the Air and Fuel Intake Sensors group, you are investing in a proven, factory design tailored to the specifics of Audi gasoline engines.

Specifications and technical data

• SKU: 06H906051J
• Mark: Audi
• Condition: Used
• OEM Part Number: 06H906051J
• Substitutable numbers: 06H906051J, 06H 906 051 J
• Fuel type: Petrol
• Part type: Sensor
• Category: Air Intake & Fuel Sensors

Role of the Fuel Injection Pressure Sensor in the 2.0 TFSI Engine

The fuel injection pressure sensor in TFSI gasoline engines is responsible for continuously measuring the pressure in the fuel rail and transmitting the signal to the engine control unit. Based on this data, the ECU corrects:

• fuel injection quantity across the full load range,
• injection timing and duration,
• fuel system operation strategy during cold and warm engine starts.

A functional sensor helps to reduce RPM fluctuations, improves throttle response, and stabilizes engine operation across the entire speed range, which is important for both performance and fuel consumption.

Compatibility with Gasoline Fuel Systems

The presented component is designed to work with gasoline type fuel systems, characteristic of Audi TFSI units. This means appropriate signal scaling, resistance to operating pressures typical for gasoline direct injection, and correct electrical characteristics for control units used in TT, A3 8V, and A6 C7 models.

As a result, the sensor can be used both as a component to restore correct operating parameters after a failure, and as a part installed preventatively during major service work on the fuel system.

Benefits of Using an Original Audi Sensor

Choosing an original Audi solution for fuel pressure measurement translates into a number of practical advantages:

• Factory Signal Characteristics – the engine control unit receives exactly the information it was calibrated for, which facilitates diagnostics and adaptations.
• Proper Mechanical Fit – the thread, seal, and electrical connector are compatible with the factory fuel rail, simplifying installation.
• Stable Operation Across a Wide Pressure Range – important for dynamic driving, frequent load changes, and operation at higher temperatures.

An element configured in this way helps to reduce typical symptoms of incorrect fuel pressure, such as power loss, jerking during acceleration, or starting difficulties.

Component Condition and Service Application

The offered sensor comes from the group of used parts, allowing for economical repair of the fuel system while maintaining the original Audi design. This type of component is often chosen:

• when replacing a damaged sensor causing engine control unit errors,
• during comparative diagnostics (swapping with a functional part),
• as a replacement part in vehicles used intensively, where reasonable maintenance costs are important.

Due to its operation in a high-pressure system, installation should be entrusted to a workshop experienced with TFSI units, which will ensure correct tightening and leak-free connections.

System Expansion and Selection of Related Components

If you are planning a comprehensive repair or engine area upgrade for your Audi and need other components from the same group, such as additional pressure sensors, intake air temperature sensors, or fuel flow sensors, check the available parts in the Audi Air and Fuel Intake Sensors category.

To better understand the relationships between the pressure sensor, injectors, and fuel pump, it is worth referring to the guide material describing the construction and diagnostics of the fuel system – a detailed discussion can be found in the article “Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair”, which will facilitate informed part selection and interpretation of computer diagnostics data.