I am trying to start up my single engine on the stock ecu just to run it up in the garage check everything is good before it goes off for a ecu and map I've done this before in the past and its been okay , I've put the stock injectors in the only two things that is different this time is a aftermarket 3bar map sensor and the tps is wired up using the trac tps for the greedy intake , the car turns over but does not prime the fuel pump any ideas ?
I can make the pump run via the diagnostic port , my immobiliser is switching off as I can hear the tick of the relay,