Hella Crankshaft Position Sensor - 6PU 009 146-211

The crankshaft position sensor detects the rotational speed and position of the crankshaft. This information is vital for the engine control unit (ECU) to manage ignition timing and fuel injection, ensuring smooth and efficient engine operation.

Common symptoms include the engine not starting, intermittent stalling, rough idling, a flashing or solid Check Engine Light (CEL) with related fault codes, and poor engine performance or acceleration.

No, this specific part number (6PU 009 146-211) is designed for a limited range of Saab 9-5, Opel Vectra C, and Vauxhall Frontera Mk II models with specific engine types. Always verify fitment against your vehicle's specifications.

This Hella sensor operates at 12V, has a resistance of 900 Ohms, a tolerance of 10%, and features a 495mm cable length with a 3-pin connector.

Installation typically requires mechanical knowledge and specific tools. While DIY installation is possible for those experienced, it is often recommended to have it performed by a qualified mechanic to ensure correct fitment and function.

This Hella sensor is an inductive type, which generates its own voltage signal based on a magnetic field interacting with a moving toothed wheel. Hall effect sensors, in contrast, require a constant voltage supply and output a digital signal.

Crankshaft position sensors are generally sealed and require no regular maintenance. Keep the sensor area clean and protected from excessive contaminants or fluid leaks. Ensure proper installation to avoid mechanical stress.

Check the sensor's electrical connection for damage or corrosion. Ensure the sensor is correctly seated and secured. Verify the sensor's resistance and cable integrity if possible. Consider a faulty sensor if other ignition/fuel components are ruled out.

Inspect the sensor and its wiring harness for physical damage. Verify the sensor specifications against vehicle requirements. If the sensor appears intact and connections are good, replacement may be necessary.

A failing crankshaft position sensor can cause inconsistent engine operation. Ensure the sensor's mounting point is clean and free of obstructions. If the issue persists after checking connections, the sensor may need replacement.

Incorrect timing signals from a faulty sensor can lead to suboptimal engine performance. Verify the sensor's part number matches the vehicle's specifications. Ensure the sensor is properly installed without any interference.