A camshaft uses egg-shaped "cams" to open and close engine valves (one cam per valve), while a crankshaft converts "cranks" (the up/down motion of the pistons) to rotational motion. Located in the ...

Here's what you need to know. What Is a Camshaft Position Sensor and What Does It Do? A camshaft position sensor is an electronic device that does what it suggests — monitor the camshaft ...