Another commone sence answer. it keeps clicking because it is telling you that your gas tank is full and if you don't stop trying to add more gas then it will overflow on the ground. I am sure you don't want to pay for gas on the ground but then again you probably want to know why you have to pay for the gas you just wasted since you didn't know why the pump clicks.
Check for a vacuum leak.
Most likely a cracked intake manifold.
you have either a bad connection on your starter or battery .also your starter has failed or solenoid
'Well I have a 95 Buick LeSabre, and the check engine light keeps coming on. So I asked a guy at car-x, and he said that usually occurs when you go really slow on the interstate.'
The force of gravity keeps the space station in orbit as well as inertia that keeps the space station moving in a straight line.
If a 1999 Mazda Protege keeps making clicking noises, you might have a bad alternator or starter. You could also have a bad ignition or solenoid.
If you meant harmonic balancer keeps going bad you probably have a bent pulley.
The fan should keep running for a few minutes even though the car is off because the engine still is registering hot and needs to be cooled down but, if it continues you to run then you have an electrical problem that needs to be attended to immediately.
It keeps the camshaft in time with the valves
No I don't think so because I kept clicking it and it just keeps repeating.
Try resetting it.
broken turn signal switch assemblyreplace it