Audi Q2 GA 1.5 TFSI Injection Fuel Rail Nozzle Distribution Injectors 05E133320B

Audi Q2 GA 1.5 TFSI Fuel Rail Injectors Injector Nozzles Fuel Injectors is a complete fuel rail with injector nozzles designed for the 1.5 TFSI gasoline engine in the Audi Q2 GA model. This component ensures precise fuel delivery, stable engine operation, and proper compatibility with the factory control system.

Specifications and technical data

• SKU: 05E133320B-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 05E133320B
• Substitutable numbers: 05E133320B, 05E 133 320 B, 05E133320, 05E 133 320, 04C906054C, 04C 906 054 C
• Fuel type: Petrol
• Category: Fuel Injectors

Purpose and Function in the Fuel System

The fuel rail with injector nozzles is responsible for accurate gasoline dosing into the combustion chambers of the TFSI engine. Properly functioning injectors are crucial for maintaining the correct fuel-air mixture, stable idle speed, and proper throttle response. For direct gasoline injection units, such as the 1.5 TFSI, the condition of the fuel rail and injectors directly impacts:

• engine running smoothness across the entire RPM range,
• combustion efficiency and fuel consumption,
• exhaust emissions and compatibility with the catalytic converter and lambda sensors.

Benefits of Using an Original Audi Fuel Rail

Using a factory fuel rail with injector nozzles for the Audi Q2 GA 1.5 TFSI allows for the preservation of performance parameters as intended by the manufacturer. The original design ensures:

• full compatibility with engine control unit maps and factory ECU software,
• correct pressure and spray pattern for gasoline in the TFSI system,
• stable engine starting when cold and hot, without misfires.

By maintaining factory injection parameters, the risk of control unit errors, limp mode, and uneven engine operation can be reduced.

Component Condition and Installation Aspects

The offered fuel rail with injector nozzles is a used part, sourced from disassembly. This solution allows for an economical repair of the fuel system while maintaining the original specifications of Audi parts. Before installation, the standard workshop procedure is recommended, including checking the fuel system for leaks, the condition of seals, and the proper functioning of injectors on a diagnostic bench.

The replacement of the fuel rail in a TFSI gasoline engine should be carried out by an experienced service center, adhering to safety procedures for high-pressure systems and using appropriate tools. Correct installation is crucial for maintaining uniform fuel atomization and protecting associated components, such as the high-pressure pump or ignition system.

Diagnostics and Prevention of the Injection System

In case of engine problems – such as power loss, jerking, increased fuel consumption, or mixture-related errors – one of the first components to check is the injector nozzle efficiency. Regular diagnostics of injection parameters allow for early detection of irregularities and avoidance of costly engine repairs.

If you want to better understand how fuel injection problems manifest and what the consequences of neglecting them can be, it is worth reading the educational material on our blog: injector failures – symptoms, consequences, and diagnostic basics. Although the article focuses on diesel units, many principles regarding the diagnosis and prevention of the injection system remain similar for gasoline engines.

Other Audi Injector Nozzles

If you are looking for other Audi injector nozzles for different models of this brand, check out our dedicated category: Audi injector nozzles. There you will find a wide selection of fuel system components tailored to various gasoline and diesel engines, making it easier to choose the right part for your specific vehicle configuration.