Been trying to start my car for a while, tried a couple harnesses. It ran one time randomly after installing a new battery but not again after that. I've got fuel pressure and the injectors spray when i put power to them. While cranking with a test light on an injector it blinks momentarily (less time than tvub). I tried doubling tvub at low voltages but it didn't make enough difference to smell fuel anywhere. It's not the tune because ive used 4 working ecus and stock files.

I have no idea what could be causing this or where to look. All wires I can see are fine and the harness im using is in great shape.
My birthday (today) gift to myself is giving myself as much time as it takes to get my car started so i can schedule a dyno visit, so any help would be greatly appreciated.

*edit
Figured it out. My compound fuel pumps were making an insane amount of pressure and the injectors couldnt open against the pressure, the pulsewidths were fine. My mistake was that I had my FPR plumbed backwards; turns out the return line goes out the bottom, not the side like I ASSumed. Thanks for reading.