Audi A4 B9 TT FV Fuel Injection Rail Line Pipe Injectors 2.0 TFSI 06L133317N

Audi A4 B9 TT FV Fuel Injector Rail 2.0 TFSI Petrol is an original component of the petrol fuel supply system, designed for direct injection engines. It ensures stable fuel supply to the injectors, which translates into smooth engine operation and the correct fuel dosage across the entire load range.

Specifications and technical data

• SKU: 06L133317N
• Mark: Audi
• Condition: Used
• OEM Part Number: 06L133317N
• Substitutable numbers: 06L133317N, 06L 133 317 N
• Fuel type: Petrol
• Category: Fuel Injectors

Purpose and Role in the Fuel System

The fuel injector rail for the 2.0 TFSI petrol engine operates in a high-pressure injection system, distributing fuel to individual injectors. It is responsible for:

• stabilizing fuel pressure in the injector supply manifold,
• uniform supply to all cylinders under varying engine load,
• correct interaction with the engine control system regarding petrol dosing.

A functional injector rail is crucial for maintaining the proper fuel-air mixture, limiting knocking combustion, and preserving the nominal performance of the TFSI unit.

Construction and Performance Parameters

This rail belongs to the category of injector nozzles, working directly with petrol injectors. The design provided by the vehicle manufacturer ensures:

• precise fit to the engine cylinder head and factory mounting points,
• appropriate fuel channel geometry for the 2.0 TFSI unit,
• compatibility with the petrol fuel system, including supply lines and accessories.

Original manufacturing allows for the preservation of factory fuel system operating parameters, which is important for both dynamics, fuel consumption, and exhaust emissions.

Benefits of Using an Original Injector Rail

Choosing an injector rail from the Audi range is a solution that technically and operationally surpasses random aftermarket replacements of unknown origin. The most significant advantages include:

• factory compatibility with the 2.0 TFSI engine – no modifications required, maintaining the original system geometry,
• correct interaction with injectors and the engine control unit, facilitating diagnostics and calibration,
• maintaining stable engine operation during startup, acceleration, and constant speed driving.

For the user, this means a lower risk of problems with starting, jerking, power loss, or uneven idling.

Application in Service and Diagnostics

The fuel injector rail is a component that is often replaced during:

• injector system faults related to fuel manifold leaks,
• fuel pressure issues registered by the engine control unit,
• repairs after mechanical damage to the cylinder head or accessories.

During injector system diagnostics, general information about the symptoms and consequences of injector faults can be helpful – described in more detail in the article: diesel injector faults – symptoms, consequences, and diagnostics. Although it concerns diesel units, many principles of injection system assessment and service approach remain similar.

Other Audi Injector Nozzles

If you are looking for other Audi injector nozzles suitable for a specific model or engine version, check the dedicated category: Audi injector nozzles. This will make it easier to select the appropriate fuel system component within a single, cohesive group of parts.