In automotive terms that bump is a "lobe".
no, the cam shaft is on the engine cylinder head..
The sensor on the CAM SHAFT!
this probably means you have a worn cam shaft or cam shaft or the arm that hits the cam shaft to open the valve is worn. this is internal on the engine.
Cam spins at half the speed of the engine.
cam chains are a chain the attach to the crankshaft and the cam shaft , the crankshaft is the shaft making the pistons go up and down the cam shaft makes the valves open and close, the crank shaft and cam shaft have to be aligned a certain way or the car will not fire, this is called "timing" . if your looking for where it is , its most likely in the front of the engine get a pro to look at it.
Cam lobes
Does anyone know of any chevy beretta cam shaft problems?
No Cam Shaft; therefore no Belt!
what torque specs on cam shaft bolts 2000 saturn 2.2
what torque specs on cam shaft bolts 2000 saturn 2.2
The cam sensor is in the distributor.
The cam shaft position sensor uses the "Hall Effect" to tell the ecu ( car's computer ) where the cam shaft is in it's rotation. This information is used by the ecu to fire off the coil ( or coils ) and the injectors at the correct time.