Nats doesnt stop fuel pump anyway. Its the injector that it controls.
This reinforces
How did you plug the engine loom in? The engine is out a ph1 an yours is a ph2 so the looms don't match?
This
When I swapped from Uk gti to the import, although both technically phase 1...the import interior loom required the phase 2 uk gti loom to run...it would not run the fuel pump which was the small plug issue for the engine-interior loom
....Phone....