Originally Posted by
JOHNDQ
Im sure you will find the supply voltage is from that relay and the switched earth is direct from the ECU, thats the one thats opens the injector to allow the fuel to pass though
This ^^, the injectors ground are switched via the ECU, your ECU has power by the fact the pump primes, likewise as is your injector supply!
I would check the phase sensor and make sure you have not misconnected this and the CPS.
Martin