Audi RS3 8P RSQ3 8U Fuel Injector Injector Valve 2.5 TFSI CEPA 07K906031H

Audi RS3 8P RSQ3 8U Fuel Injector 2.5 TFSI CEPA is an original component from the Fuel Injector Nozzles group, designed for 2.5 TFSI petrol engines with the CEPA engine code. This solution was created to maintain stable fuel supply parameters in high-performance Audi units, ensuring precise dosing and repeatable operation of the fuel injection system.

Specifications and technical data

• SKU: 07K906031H
• Mark: Audi
• Condition: Used
• OEM Part Number: 07K906031H
• Substitutable numbers: 07K906031H, 07K 906 031 H, 07K 906 031 N, 07K906031N
• Part type: Fuel Injector
• Category: Fuel Injectors

Purpose and function of the 2.5 TFSI CEPA fuel injector

The presented fuel injector operates in the direct fuel injection system of the 2.5 TFSI CEPA engine used in models such as the Audi RS3 8P and Audi RSQ3 8U. Its task is to precisely atomize petrol directly into the combustion chamber, while maintaining the appropriate pressure, opening time, and fuel spray pattern. A correctly selected injector nozzle is crucial for:

• maintaining stable power and torque of the 2.5 TFSI unit,
• proper operation at idle and under load,
• reducing engine knocking and overheating of the combustion chamber,
• keeping exhaust emissions within the limits specified by the manufacturer.

Benefits of using an original Audi injector nozzle

The injector from this series is a component designed specifically for the 2.5 TFSI CEPA unit, which translates into precise matching of operating parameters to the engine control unit maps. Using the correct injector nozzle allows you to:

• maintain the factory power delivery characteristics in the Audi RS3 8P and RSQ3 8U,
• minimize the risk of rough engine operation, jerking, and misfires,
• maintain correct fuel trim adjustments in the ECU,
• reduce excessive wear on other components, such as pistons or valves.

As a result, this injector is a safe choice for repairs and diagnostics of the fuel system in high-performance Audi versions with the 2.5 TFSI engine.

Component characteristics and service application

The offered injector nozzle comes from the Audi line and is designed to work in the demanding thermal and pressure conditions typical of turbocharged units. It performs well both in standard operation and in cars subjected to moderate software tuning, provided that the factory design assumptions of the injection system are maintained.

This type of component is particularly useful in situations where symptoms appear such as:

• difficulty starting on a warm or cold engine,
• rough operation at idle,
• performance drop under higher loads,
• increased fuel consumption or a noticeable smell of petrol in the exhaust gases.

In such cases, replacing a single injector nozzle or the entire set allows you to restore stable and predictable operation of the power unit.

Condition, selection, and integration with the engine system

The injector is offered as a used part, which allows for economical repair while maintaining the original manufacturer's specifications. When selecting, it is worth paying attention to compatibility with the 2.5 TFSI CEPA unit and the configuration used in a specific Audi RS3 8P or RSQ3 8U vehicle. A correctly selected injector nozzle facilitates installation and integration with existing engine equipment, without the need to modify the fuel or electrical installation.

This component is particularly recommended for service centers specializing in the Audi brand, where maintaining consistency with the factory design of the injection system and the possibility of subsequent diagnostics using standard service procedures are important.

Technical support and educational materials

When working with injection systems, it is worth knowing the typical symptoms of wear and how to diagnose them. Detailed information on the symptoms of damage, possible consequences of neglect, and verification methods can be found in the article: Diesel injector faults – how to recognize them and the risks of neglecting them. Although the text concerns diesel units, the diagnostic principles and service approaches described there are also helpful when analyzing the operation of injectors in petrol engines.

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 nozzles, seals, or mounting elements, check the available parts in the Audi Fuel Injector Nozzles category.