you dont crank it, that wont get you anywhere.
what you do is bridge the fuel pump relay socket with a chunky bit o wire, then you have to lift the metering head flap up by hand.
ideally have each injector in its own container, so you can check both the spray pattern and delivery volume.
if 1 injector is out compared to the rest, swap it with one of the others. if the problem moves with the injector replace all 4 injectors. if the problem stays on the same spot its the fuel line or metering head.