Audi S1 8X S3 8V Fuel Injector Injection Nozzle 2.0 TFSI 06L906031A Set x4

Audi S1 8X S3 8V Fuel Injector Injection Nozzle 2.0 TFSI Set x4 is a set of original components from the Fuel Injector Nozzles group, designed for TFSI petrol engines in Audi sports models. The set of four injectors ensures consistent operating parameters, which promotes stable engine performance and predictable vehicle behavior during dynamic driving.

Specifications and technical data

• SKU: 06L906031A-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 06L906031A
• Substitutable numbers: 06L906031A, 06L 906 031 A
• Fuel type: Petrol
• Category: Fuel Injectors

Purpose and technical specifications

The presented set of fuel injectors has been designed for 2.0 TFSI petrol engines used in Audi S1 8X and S3 8V models. Using dedicated components from the same production series allows for maintaining proper pressure and precise fuel atomization, which directly impacts performance, throttle response, and engine stability across the full load range. Injectors in this group are adapted for operation in direct petrol injection systems, where maintaining the correct valve opening and closing characteristics, as well as fuel dose repeatability for each cylinder, is crucial. This makes it possible to maintain the correct air-fuel mixture, reduce engine knocking, and improve combustion efficiency.

Benefits of using a set of 4

Using a complete set of four injectors in a single service step allows you to:

• achieve uniform operation of all cylinders thanks to the similar characteristics of the components,
• minimize the risk of fuel dosing discrepancies between individual cylinders,
• facilitate diagnostics and subsequent monitoring of engine operating parameters,
• ensure consistent operating conditions for the ignition system and engine control unit. For high-performance units, such as the sports versions of the Audi S1 and S3, using a set from the same series is particularly important, as it helps maintain predictable vehicle behavior under high loads and during intensive use.

Condition of components and service application

The offered set of injectors is in used condition, making it an attractive solution for repairs where the cost-to-functionality ratio is important. This type of set is suitable both for preventive replacement and in situations where existing injectors show signs of wear, such as rough idling, power loss, or increased fuel consumption. Selecting components from the same design group is particularly important in the case of petrol engines with direct injection, where the precision of fuel dosing affects not only performance but also the durability of the engine and associated components, such as the catalytic converter or particulate filter (if present in the given configuration).

Integration with the fuel system and diagnostics

Injectors from the Fuel Injector Nozzles category work with the high-pressure fuel system and the engine control unit, which selects the appropriate fuel dose for each cylinder based on sensor data. A correctly selected set facilitates ECU adaptation and reduces the need for additional software adjustments after replacement. In case of problems with the injection system, it is worth using computer diagnostics and measuring real-time parameters, such as fuel trim corrections or injection timing. For users interested in in-depth knowledge about the symptoms and consequences of injector failures, an article describing the symptoms and consequences of neglect in this area may be helpful, available at the link injector failures – symptoms and consequences of neglect.

Service expansion and selection of other components

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other components from the same group, such as additional injectors, fuel rails, or system seals, check the available parts in the Audi Fuel Injector Nozzles category. For Audi model owners interested in a broader context of selecting original components and the specifics of this brand's engines, a guide material dedicated to legendary engines and the principles of selecting parts may also be useful, available at the link Audi five-cylinder engine and selecting original parts.

Summary

Audi S1 8X S3 8V Fuel Injector Injection Nozzle 2.0 TFSI Set x4 is a practical service solution for users of sports Audi models with a TFSI petrol engine. Using a complete set from the Fuel Injector Nozzles category promotes uniform engine operation, stable performance, and predictable vehicle behavior, making it a reasonable choice for repairs and fuel system upgrades.