Capteur de position de vilebrequin
Crankshaft Position Sensor
The crankshaft position sensor, also known as CKP sensor, is a type of sensor used in internal combustion engines to monitor the rotational speed and position of the crankshaft. The sensor works by detecting the position of a toothed wheel or reluctor ring that is attached to the crankshaft.
The CKP sensor sends signals to the engine control module (ECM) or powertrain control module (PCM) to help the engine operate more efficiently. The ECM uses the signals from the CKP sensor to determine the ignition timing, fuel injection timing, and other engine parameters.
The sensor is typically located near the crankshaft or on the engine block, and it can be of various types, such as magnetic, Hall-effect, or optical. Magnetic sensors work by detecting changes in the magnetic field, while Hall-effect sensors use the principle of magnetic induction. Optical sensors work by detecting changes in light intensity.
A faulty CKP sensor can cause a number of engine problems, such as difficulty starting, rough idling, poor acceleration, misfires, and even stalling. Therefore, it's important to replace a faulty CKP sensor as soon as possible to ensure the proper functioning of the engine.
