Crankshaft Position Sensor Volkswagen VW Passat B6 1.9 TDI Engine Block 9805940

Crankshaft Position Sensor Volkswagen VW Passat B6 1.9 TDI Engine Block is a component from the Engine sensors and switches group, responsible for precisely determining the position of the crankshaft in the power unit. A properly functioning sensor ensures stable engine operation, correct fuel dosing, and reliable starting under various operating conditions.

Specifications and technical data

• SKU: 9805940
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 9805940
• Substitutable numbers: 9805940
• Category: Engine Sensors & Switches

Function and importance of the crankshaft position sensor

The crankshaft position sensor in the Passat B6 1.9 TDI provides the engine control unit with key information about the current position and rotational speed of the crankshaft. Based on this, the control system selects the fuel injection timing and ignition advance angle in diesel engines, which translates into smooth unit operation, reduced vibrations, and stable idle speed.

A functional element from this group helps to reduce typical symptoms of failure, such as difficulty starting a warm engine, occasional stalling while driving, or warning lights coming on. Replacing a worn sensor with a properly selected component helps restore correct synchronization of the injection system and increase the predictability of the drive's operation.

Compatibility and fit for the Passat B6 1.9 TDI

The presented sensor has been prepared for use in the Volkswagen Passat B6 1.9 TDI model, which facilitates the selection of parts in terms of the power unit design and mounting method. Proper fitment to a specific engine version reduces the risk of installation problems, reading errors, or incorrect interaction with the vehicle's electronics.

The element comes from the Volkswagen brand offer, ensuring compliance with the factory solutions used in this model. This is particularly important for components responsible for synchronizing engine operation, where differences in geometry or signal characteristics can cause disturbances in the controller's operation.

Performance characteristics and benefits of use

The crankshaft position sensor belongs to the group of elements that directly affect the engine's refinement and operational safety. Using the correct component allows you to:

• stabilize starting and reduce the risk of the unit suddenly stalling while driving,
• improve the precision of fuel injection control,
• minimize the occurrence of errors saved in the controller's memory,
• maintain engine operating parameters closer to factory values.

The product is offered in Used condition, which allows for an economical replacement of the element while maintaining compliance with the manufacturer's original specification. This is a practical solution in situations where both functionality and reasonable repair costs are important.

Purpose and service application

The crankshaft position sensor from this offer will work well during typical engine control system repairs in the Passat B6 1.9 TDI, especially when diagnosing problems with starting, unstable idle, or errors related to crankshaft and camshaft synchronization. It can be used as a replacement for the factory-installed element, with the appropriate installation procedure and diagnostic reading verification.

To facilitate identification in the store system, the product has an SKU designation, as well as an assigned OEM part number and available Interchangeable numbers, which supports correct selection based on service documentation and parts catalogs.

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

When working on engine accessories, it is worth expanding your knowledge about typical failures and service prevention – the article "Reliability under the star sign – how to take care of engine accessories in popular Mercedes-Benz C and E-Class models?" will be helpful, which discusses practical principles of selecting and operating engine components, also useful when working with other brands.