Audi S1 8X A3 8V Petrol Fuel Injector Injection Nozzle 2.0 TFSI 06L906031A

The Audi S1 8X A3 8V Petrol Fuel Injector 2.0 TFSI is an original injector nozzle from the Audi group, designed for TFSI petrol engines. This component ensures precise fuel delivery, which translates to stable engine operation and predictable performance.

Specifications and technical data

• SKU: 06L906031A
• Mark: Audi
• Condition: Used
• OEM Part Number: 06L906031A
• Substitutable numbers: 06L906031A, 06L 906 031 A
• Fuel type: Petrol
• Category: Fuel Injectors

Intended Use and Technical Characteristics

The presented fuel injector for Audi S1 8X and A3 8V belongs to the injector nozzles category and is structurally adapted for 2.0 litre TFSI petrol engines. Using the correct injector nozzle is crucial for maintaining proper fuel pressure and atomisation in the combustion chamber, which affects the engine's running smoothness, dynamics, and fuel consumption.

This component has been designed for petrol fuel systems where high dose repeatability and resistance to thermal conditions within the engine head are required. Thanks to this, the injector supports stable mixture combustion and reduces the risk of uneven idling.

Benefits of Using an Original Audi Injector Nozzle

Selecting the right injector has a direct impact on the engine's operating parameters. Using an original Audi nozzle in a 2.0 TFSI engine allows for, among other things:

• Better fuel dose control – precise injection management promotes maintaining factory performance.
• Even cylinder operation – proper fuel atomisation reduces vibrations and misfires.
• Combustion optimisation – correct fuel-air mixture formation helps keep fuel consumption at predictable levels.
• Improved throttle response – a functional injector supports smooth acceleration and stable operation under load.

For TFSI engines operating at high injection pressures, the correct injector nozzle is particularly important for the durability of the unit and its proper cooperation with the control electronics.

Component Condition and Service Application

The offered injector is a used part, making it an attractive solution for budget repairs or restoring the fuel system's functionality in older Audi S1 8X and A3 8V models. Such components are often chosen as replacements for worn or damaged nozzles when symptoms like uneven engine running, power loss, or increased fuel consumption appear.

Injector replacement is particularly recommended when diagnostics indicate incorrect fuel doses in one of the cylinders or when cleaning does not provide a lasting improvement. Using an original nozzle helps maintain consistency with the engine control unit's factory calibration, which facilitates subsequent diagnostics and adaptation.

Fuel System Operation, Diagnostics, and Prevention

The injection system in petrol engines, like in diesel units, is sensitive to fuel quality and regular servicing. It is worth knowing the typical symptoms of injector wear, such as starting difficulties, jerky acceleration, or a noticeable fuel smell in the exhaust. It is good practice to periodically check injector operating parameters on a diagnostic tester and to react to the first signs of abnormalities.

If you want to better understand how fuel system problems manifest and what the consequences of ignoring them can be, an article describing similar issues in diesel engines might be helpful: diesel injector faults – symptoms, consequences, and diagnostics. Although it concerns diesel units, many failure mechanisms and diagnostic principles are similar.

Fuel System Expansion – Other Audi Injector Nozzles

If you are also looking for other Audi injector nozzles to expand your service parts inventory or compare solutions for different models, check out our dedicated category: Audi injector nozzles. This will help you easily select parts that fit a specific engine and vehicle generation.

Summary

The Audi S1 8X A3 8V Petrol Fuel Injector 2.0 TFSI is a practical choice for owners and workshops needing an original injector nozzle for a TFSI petrol engine. A properly selected and functional injector helps maintain stable engine operation, predictable performance, and correct cooperation with the control electronics, which directly translates to driving comfort and safety.