The CPS, Crank Position Sensor, is also called a CKS, Crank Sensor or CAS, Crank Angled Sensor to save it from getting confused with a Cam Position Sensor! No matter what people call it, it is still the same sensor. Its job is to tell the ECU the position of the crank in its rotation. Another function is that if the CPS detects no signal from the sensor but the ignition is … [Read more...]