One spark plug could foul up and quit on you but I don't see all of them quiting at once.
yes
No. The spark plugs are responsible for igniting the fuel in the cylinders. If you start yanking them out, the engine is going to stop running. This is covered in the book Things That Dummies Do.
it would damage the spark plugs and smoke a lot, but the engine in general should be ok, would have to change spark plugs after running tank empty or if having trouble starting.
yes jhust stick your hand in and pull it out
Typically not enough oil. Bad spark plugs or the wrong grade of gasoline or a bad O2 sensor can also contribute.
Bad spark plugs, spark plug wires or distributor cap and rotor.
It is important to know the location of the spark plugs while owning a car. In a 2002 Subaru Impreza WRX there are spark plugs near the bottom of the engine block on each side of the car.
I would start with replacing the spark plug wires and spark plugs (if you did not do that for a while). If does not help check the coils or distributor depending on what you have.
because your valve cover seals are bad... fix it before you will get issues with coil packs... and change the spark plugs while at it...
* check for spark it might not be getting fire to the spark plugs if there is no spark the ignition coil pack might be bad
A drain plug for a spark plug? Now why would there be? What would you drain from a spark plug.... the spark? If you're referring to a plug for the spark plug socket, I'm sure you could find something that would fit that would keep out debris while you let you engine sit without plugs. (Why??)
The most likely cause of a 1992 Ford Aerostar stalling while idling is bad spark plugs. The plugs should be changed and the timing checked to resolve the problem.