A supercharger.
fuel pump
In the event engine-driven fuel pump fails.
That depends on the year, make, model, engine. In general a carbureted engine has a mechanically driven fuel pump mounted on the engine. A fuel injected engine normally has a electric fuel pump in the fuel tank.
A turbocharger.
The fuel pump is at the top of the Engine driven by the timing belt.
An engine which is equipped with a supercharger. A supercharger is a special kind of air compressor which forces larger than normal amounts of air into an engine, allowing for the use of more fuel, thus increasing the the horsepower output of the engine. Most cars run with just air pressure around us. A Supercharger or Turbocharger is simply a pump which raises the pressure. A Supercharger is usually driven by a belt or chain and a Turbocharger is driven by exhaust gasses.
The 1973 Mustang has a mechanical fuel pump driven by the engine. It is not electric so it has no fuse.
The idle air control (IAC) does this, not the "flapper".
electric fuel lift pump inside fuel tank and high pressure diesel pump on engine driven by timing belt
The air conditioning compressor is belt driven from the engine. While compressor is on it adds another load to the engine. Therefore; yes it does require additional fuel to be used to compensate for the additional engine load.
What engine do you have? 3.8 v6 engine. fuel pump is behind the power steering pump on the drivers side of the engine. V8 engines the fuel pump is on the passenger side front of the engine Remove any belt driven accesories that would be in the way of the fuel pump. Remove the fuel lines then remove the 2 bolts securing the pump to the engine block.
Yes, the fuel pump is a major component of the fuel system. The pump is what takes the fuel and pumps it to the engine under pressure. The fuel is then sent to the fuel injectors to be sprayed inside each piston. The spark plugs ignite the fuel turning the engine and supplying power to the transmission which drives the wheels.