Audi A4 S4 B9 3.0 TFSI Petrol Engine Camshaft Position Sensor 06M907601

Audi A4 S4 B9 3.0 TFSI Petrol Engine Camshaft Position Sensor is a precision component from the Engine sensors and switches group, responsible for accurately determining the camshaft position in the 3.0 TFSI petrol unit. A properly functioning sensor ensures stable engine operation, correct fuel metering, and accurate ignition timing, which translates into smooth acceleration and predictable throttle response.

Specifications and technical data

• SKU: 06M907601
• Mark: Audi
• Condition: Used
• OEM Part Number: 06M907601
• Substitutable numbers: 06M907601, 06M 907 601
• Fuel type: Petrol
• Category: Engine Sensors & Switches

Function of the camshaft position sensor in the 3.0 TFSI engine

In the 3.0 TFSI petrol engine, the camshaft position sensor is a key component of the engine management system. Based on the signal from the sensor, the engine control unit (ECU) determines:

• the precise moment of fuel injection in individual cylinders,
• ignition timing and advance angle,
• operation of the variable valve timing system,
• cold and warm start strategy.

As a result, the petrol engine maintains stable idle speed, responds better to load, and maintains optimized combustion across the entire RPM range.

Benefits of using an original Audi sensor

Using an original camshaft position sensor in an Audi A4/S4 B9 with a 3.0 TFSI unit allows you to maintain the operating parameters specified by the manufacturer. The most important advantages include:

• High signal compatibility with ECU maps – no need for adaptation or installation modifications.
• Stable operation across a wide temperature range typical for petrol engines.
• Reduced risk of diagnostic errors related to incorrect camshaft position readings.
• Improved engine refinement during acceleration and deceleration.

In practice, this means less susceptibility to jerking, stalling at idle, or power loss resulting from incorrect timing synchronization.

Application in the petrol engine management system

This sensor works with the engine management system designed for petrol fuel, which is significant for the signal characteristics and the way data is interpreted by the ECU. In combination with the crankshaft position sensor, it forms a reference system that allows for:

• precise determination of the operating phases of individual cylinders,
• verification of correct timing settings,
• monitoring of potential deviations in the timing mechanism operation.

Thanks to this, diagnostics of potential timing system faults are faster and more definitive, and the ECU can enter limp mode if necessary, protecting the engine from more serious damage.

Selection and installation in the Audi A4 / S4 B9 3.0 TFSI

When selecting a camshaft position sensor for an Audi A4 or S4 B9 generation with a 3.0 TFSI engine, it is crucial to match it to the specific unit version and electrical installation. A properly selected component allows for:

• installation in place of the factory sensor without modifying the wiring,
• maintaining the original engine operating characteristics,
• proper cooperation with existing ECU software.

After installation, it is recommended to perform computer diagnostics to verify current parameter readings and clear any stored error codes, which helps to quickly confirm the correct operation of the new component.

Component condition and service application

The offered camshaft position sensor is an aftermarket part, making it an attractive solution for servicing 3.0 TFSI units in the Audi A4 and S4 B9. This type of part is suitable both for typical repairs after timing synchronization errors occur and for preventive replacement during major timing system service.

If you are planning a comprehensive repair or upgrade of your Audi's engine area and need other components from the same group, such as temperature sensors, pressure sensors, or control switches, check the available parts in the Audi engine sensors and switches category.

Technical support and service knowledge

When working with engine control components, it is also worth paying attention to the condition of associated systems, such as power supply, ground, electrical harnesses, or auxiliary systems. For a better understanding of the impact of engine operating temperature on the durability of control components, you can use the guide material Engine cooling system – overheating, repair, and used radiators, which discusses the relationship between operating temperature and the lifespan of the engine and its accessories.