Audi A3 S3 8Y 2.0 TFSI Petrol Engine Fuel Injection Rail 06N133317A

The Audi A3 S3 8Y 2.0 TFSI fuel rail injector is an original gasoline fuel system component designed for precise cooperation with injectors in TFSI engines. It ensures stable fuel distribution at the correct pressure, which translates to smooth engine operation and proper combustion characteristics.

Specifications and technical data

• SKU: 06Q133317B
• Mark: Audi
• Condition: Used
• OEM Part Number: 06Q133317B
• Substitutable numbers: 06Q133317B, 06Q 133 317 B
• Fuel type: Petrol
• Category: Fuel Injectors

Purpose and Role in the Fuel System

The Audi A3 S3 8Y 2.0 TFSI fuel rail injector operates within the gasoline system, where maintaining the correct pressure and uniform supply to each cylinder is crucial. This component acts as a rigid manifold for the injectors, stabilizing fuel flow and limiting pressure fluctuations during dynamic engine load changes.

In direct gasoline injection engines, a properly selected fuel rail is important for:

• maintaining predictable engine behavior during sudden acceleration,
• stable injector operation across the entire RPM range,
• reducing power loss resulting from unstable fuel supply.

Construction and Compatibility with the Injection System

The rail is designed as a component within the injector nozzles category, taking into account the cylinder head geometry and injector placement in the 2.0 TFSI engine. Appropriate fuel channel routing and mounting points allow for secure seating of the rail and proper sealing of connections with injectors and supply lines.

Original Audi origin means:

• compliance with factory injection system tolerances,
• correct injector positioning relative to the combustion chamber,
• compatibility with engine accessories intended for the 2.0 TFSI unit in A3 and S3 8Y generation models.

Operating Parameters in the Gasoline System

The fuel rail works with a fuel system based on gasoline fuel, where maintaining high operating pressure and resistance to pulsations generated by the high-pressure pump and cyclical injector operation is important. The component's design is adapted to the characteristics of TFSI engines, which experience rapid load changes and frequent transitions between different operating modes.

A correctly selected fuel rail injector helps in:

• maintaining a stable mixture composition across the entire RPM range,
• reducing the risk of misfires caused by insufficient fuel supply,
• preserving factory performance parameters and engine smoothness.

Condition, Diagnostics, and Practical Application

The offered component is used, allowing for an economical replacement of the rail while maintaining the original manufacturer's specifications. This solution is particularly beneficial for injection system repairs when replacing a damaged rail is necessary after detecting leaks, deformation, or problems with pressure maintenance.

When diagnosing fuel supply issues, it's worth remembering that symptoms such as starting difficulties, rough idling, or power loss can stem from both the rail itself and the injectors. In the context of broader injection system diagnostics, an article describing typical symptoms and consequences of neglect may be helpful – more information can be found in the material about diesel injector faults, their symptoms, and the consequences of neglect, which helps to better understand the operating logic of modern injection systems (even though it concerns diesel units).

Why Choose an Original Audi Fuel Rail

Choosing an original fuel rail from the Audi injector nozzles category primarily ensures fitment accuracy and preservation of factory engine operating parameters. Using components consistent with the manufacturer's design reduces the risk of installation problems, leaks, or incorrect pressure distribution within the rail.

If you are looking for other components from the Audi injector nozzles category, please browse our offer using the link: Audi injector nozzles. For those interested in a broader context of selecting original components for this brand's engines, the blog post about the legendary five-cylinder Audi engine and selecting original parts, which discusses the practical aspects of using OEM parts in Audi cars, may also be useful.