The diaphragm carburetor is found on many small engines. These engines power everything ranging from lawn equipment, generators, and even RC aircraft.
Unlike a conventional "float" style carburetor the diaphragm carburetor will operate regardless of its orientation, even upside down!
The internal workings of a diaphragm carburetor are simple in design, but complicated in explanation and consequently lengthy to discuss.
If it is mechanical the diaphragm has a hole in it.
A carburetors mixes gas and air so the engine will run properly.If the carburetors is not working properly it can cause damage to the car's engine.This will result in the engine stalling or flooding.
They have an internal diaphragm that can rupture when it gets old.
I am guessing the pin being referred to is the fuel pump rod that rides on the cam lobe and creates the in and out motion required to activate the fuel pump lever that pushes on the diaphragm of the fuel pump to make it work.
I don't think there were any carburetors on the 1995 G20's so it is an electrical fuel pump inside the tank.
It doesn't have one, unless you have certain models with a 460. Most of these vehicles had carburetors and used mechanical fuel pump.
Air Actuated Double Diaphragm Pump
A diaphragm inside that is moved back and forth normally by the crankshaft or cam.
The diaphragm is used to change the aperture diameter,same as shade.
carburetors with 2 barrels
Could be that the fuel pump clogged... or the diaphragm for the fuel pump commonly dies out.
The diaphragm is used to change the aperture diameter,same as shade.