Audi TT 8N A3 8P Fuel Injectors Injection Rail Line 1.8T Petrol 06A133681B

The Audi TT 8N A3 8P 1.8T Petrol Fuel Rail with Injectors is a complete fuel rail with petrol injectors designed for 1.8T engines in Audi TT 8N and Audi A3 8P models. This component belongs to the fuel supply system and allows for precise delivery of petrol to the cylinders, which directly impacts the engine's running smoothness and performance.

Specifications and technical data

• SKU: 06A133681B
• Mark: Audi
• Condition: Used
• OEM Part Number: 06A133681B
• Substitutable numbers: 06A133681B, 06A 133 681 B
• Fuel type: Petrol
• Category: Fuel Injectors

Technical Characteristics of the Fuel Rail

The offered fuel rail falls into the category of injector nozzles and is factory-fitted for 1.8T petrol engines. The integrated injectors work with the engine control system, ensuring the correct fuel spray pattern and stable pressure across the entire load range. This enables the maintenance of the correct air-fuel mixture, leading to smooth acceleration, steady idling, and predictable throttle response.

The design solution implemented by Audi guarantees proper positioning of the injectors relative to the intake ports, promoting efficient petrol evaporation and reducing the risk of uneven fuel supply to individual cylinders. The fuel rail is designed to operate within typical pressure ranges for petrol systems, and its geometry facilitates correct routing of fuel lines.

Purpose and Compatibility

The Fuel Rail with Injectors for Audi TT 8N and A3 8P 1.8T has been specifically designed for turbocharged petrol engines. Using a dedicated component from the same design family ensures compatibility with factory injection maps and engine control unit parameters.

Selecting a fuel rail from this category is particularly important in cases of:

• engine running issues at idle,
• power loss and noticeable "stuttering" during acceleration,
• increased fuel consumption due to incorrect petrol dosing.

The use of an original Audi design minimizes the need for modifications to the fuel system and allows for installation in the factory location, maintaining correct routing of lines and mounting points.

Component Condition and Installation Aspects

The fuel rail is offered as a used part, which is a cost-effective solution for users seeking a tested component at a reasonable price. A used part with preserved geometry and injector seats allows for the restoration of proper fuel system operation without the need to invest in a new set.

During installation, it is recommended to:

• check the fuel system for leaks after installing the fuel rail,
• replace the injector seals with new ones, compatible with the 1.8T engine,
• verify the correct connection of fuel and electrical lines according to the service documentation.

A correctly installed fuel rail with injectors helps reduce the risk of fuel leaks, cold and hot start issues, and errors related to injection quantity corrections.

Benefits of Using Dedicated Audi Injector Nozzles

Choosing a component from the injector nozzles category designed for a specific Audi 1.8T engine offers a range of practical benefits:

• maintaining factory engine operating parameters thanks to appropriately selected injection characteristics,
• stable petrol operation across the entire RPM range, promoting smooth city and highway driving,
• reducing the risk of ECU errors related to incorrect fuel dosing,
• easier diagnostics – using an original fuel rail simplifies the interpretation of data from diagnostic testers.

For users who want to better understand the impact of injector condition on engine operation, an article describing the symptoms and consequences of injector system faults may be helpful. It is available at the following link: injector faults – symptoms, consequences, and diagnostics.

Related Audi Injector Nozzles

If you are looking for other Audi injector nozzles compatible with different engine versions or models from this brand, check out our dedicated category: Audi injector nozzles. This will allow you to easily compare available solutions from a single manufacturer and select the appropriate component for your specific petrol engine.