The Audi A1 8X 1.4 TSI CAXA Injector from the Injector Nozzles category is an original gasoline fuel system component, designed for precise fuel delivery in TSI engines. Designed by the vehicle manufacturer, it ensures consistency with the factory engine operating characteristics and stable injection parameters.
Specifications and technical data
- SKU: 03C906036M
- Mark: Audi
- Condition: Used
- OEM Part Number: 03C906036M
- Substitutable numbers: 03C906036M, 03C 906 036 M
- Fuel type: Petrol
- Category: Fuel Injectors
Purpose and Role in the Fuel System
The gasoline injector nozzle in the 1.4 TSI CAXA engine is responsible for forming the correct fuel spray and its even atomization in the combustion chamber. A properly selected injector helps maintain:
- stable idle operation without misfires,
- proper acceleration dynamics across the full RPM range,
- controlled fuel consumption in line with the engine's design specifications,
- lower exhaust emissions due to the correct mixture composition.
Replacing a worn nozzle with a component that matches factory specifications is crucial for maintaining the smooth operation of the TSI unit and its proper interaction with the control electronics.
Technical Characteristics and Compatibility
The presented injector belongs to the group of OEM components intended for gasoline engines, meaning it is compatible with the factory manifold, fuel rail, and engine control unit parameters. This allows for:
- retention of original injection maps without the need for software modifications,
- proper cooperation with sensors (fuel pressure, lambda probes, knock sensors),
- maintaining even fuel supply to all cylinders in the 1.4 TSI CAXA unit.
The component is designed for gasoline systems, so its flow characteristics, operating pressure, and control method are adapted to the specifics of spark-ignition engines, not diesel engines.
Component Condition and Installation Aspects
The offered injector is a used part, which in practice means the possibility of an economical repair of the fuel system while maintaining the original design. When installing, it is recommended to:
- check the fuel system for leaks after installation,
- replace seals and O-rings according to the service procedure,
- adapt parameters in the engine control unit (if specified by the vehicle manufacturer),
- verify injection corrections using computer diagnostics.
Proper installation and verification of operating parameters after replacement help reduce the risk of uneven engine operation, increased fuel consumption, or errors stored in the control unit's memory.
Benefits of Using an Original Injector Nozzle
Choosing an injector dedicated to the Audi A1 8X 1.4 TSI CAXA allows for maintaining the consistency of the entire fuel system with the factory design specifications. Key benefits include:
- factory fit for the engine unit – no mechanical modifications required,
- predictable engine behavior under various load conditions,
- easier diagnostics in case of future malfunctions due to compliance with service documentation,
- maintaining proper combustion parameters, which contributes to the protection of the catalytic converter and other exhaust system components.
This solution is particularly beneficial for users who want to restore the vehicle's original driving characteristics without experimenting with aftermarket parts of uncertain performance.
Related Products and Technical Knowledge
If you are looking for other Audi injector nozzles for various 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 specific engine versions.
When diagnosing fuel injection system problems, it is helpful to know the typical symptoms and verification methods. Helpful information – although concerning diesel engines – can be found in the blog article diesel injector faults – how to recognize them and what are the consequences of neglecting them, which discusses symptoms of wear, consequences of neglect, and basic diagnostics, also useful as a reference point when analyzing injector operation in gasoline engines.
