The Audi RS5 F5 / A8 D4 2.9 TFSI Fuel Injector is a precision injector nozzle designed for the TFSI gasoline engine, engineered by Audi to ensure stable power unit supply. This component is responsible for accurate fuel metering, which is crucial for engine performance, smooth operation, and durability.
Specifications and technical data
- SKU: 06M906036S
- Mark: Audi
- Condition: Used
- OEM Part Number: 06M906036S
- Substitutable numbers: 06M906036S, 06M 906 036 S, 0261500545, 0 261 500 545
- Fuel type: Petrol
- Category: Fuel Injectors
Application and Technical Characteristics
The injector nozzle for the 2.9 TFSI engine operates within a gasoline direct injection system, requiring high dose repeatability and stable fuel atomization. A properly selected injector supports:
- maintaining the correct mixture composition across the full engine load range,
- efficient operation of the TFSI unit at high injection pressures,
- effective gasoline combustion with reduced risk of knocking.
The original Audi design ensures geometric compatibility with the cylinder head port and proper integration with the factory engine control unit.
Benefits of Using an Original Injector Nozzle
Choosing an original Audi injector nozzle over aftermarket alternatives allows for the preservation of operating parameters as intended by the vehicle manufacturer. This translates to:
- stable fuel pressure and spray pattern, facilitating smooth operation of all cylinders,
- improved throttle response in the gasoline engine, especially during dynamic acceleration,
- reduced risk of rough idling caused by fuel metering discrepancies.
The injector is a high-precision component, and its selection directly impacts the operational smoothness of the 2.9 TFSI unit and the safety of operation under higher loads.
Condition, Verification, and Part Selection
The offered injector nozzle is from a group of used Audi parts, enabling an economical repair of the fuel system while maintaining original specifications. Prior to installation, it is recommended to:
- verify the seal and spray pattern on a diagnostic bench,
- check compatibility with the OEM part number and interchangeable numbers in the vehicle's service documentation,
- inspect the condition of the cylinder head port and injector sealing elements.
This approach minimizes the risk of repeated intervention in the fuel system and helps maintain predictable gasoline engine behavior in the long term.
Fuel Injection System Operation and Diagnostics
In cases of symptoms such as difficulty starting a warm engine, power loss, or increased fuel consumption, the gasoline engine injector nozzle is one of the components that requires inspection. Although this specific component is for the TFSI unit, many diagnostic principles for injection systems are common across different engine types. For broader knowledge of fuel systems, it is recommended to consult material discussing the symptoms and consequences of faulty injectors, available at the link: injector faults – symptoms, consequences, and diagnostics.
Other Audi Injector Nozzles and Knowledge of Used Parts
If you are looking for other Audi injector nozzles for various models of this brand, check out our dedicated offer: Audi injector nozzles. You will find a wide selection of components for fuel injection systems, making it easier to find the right part for your specific engine version.
When selecting components from the secondary market, a guide describing common pitfalls when buying used parts, including components used in tuning projects, can also be helpful. More practical tips can be found here: buying used car parts and common mistakes when choosing parts for tuning.
Summary
The Audi RS5 F5 / A8 D4 – 2.9 TFSI Fuel Injector Nozzle is a technically advanced gasoline fuel system component that is crucial for the performance and stable operation of the power unit. Choosing an original injector allows for the preservation of manufacturer-intended parameters, and proper installation and diagnostics support trouble-free vehicle operation in everyday driving conditions and under higher engine loads.
