In theory, any air in the system should be quickly pushed through and ‘burped’ out into the carburettor float chamber. Unless there are any peculiar loops of piping which are much higher than the carburettor, we’d suspect that air is continuously finding its way into the fuel system. Closely examine the pipework between the electric fuel pump, (especially if it is an aftermarket fit) and the tank. Don’t rule out an intermittent coil or condenser fault.
would like to know about Coil fault