What are Cam and Crankshaft Sensors?

The Camshaft Sensor monitors the positions of the camshaft to allow for correct ignition timing. The Crankshaft Sensor detects the position of the crankshaft allowing the ECU to calculate its position in relation to the pistons in the engine.

There are two main types of sensor:

Inductive: Inductive sensors use a magnet and coil to detect the teeth of the camshaft gear. As the teeth pass the magnetic field changes and the coil voltage is induced. This is output as a waveform signal (~AC voltage)

Hall Effect: Hall effect sensors do not use a coil and instead of an analogue AC signal they create a digital signal. Either on or off, as the teeth pass the sensor.
The Beckermann range of Camshaft and Crankshaft Sensors includes in excess of 190 premium quality part numbers all covered by a no quibble warranty as standard.