I'm still with my problem....z won't start after swap....the car was ruining when I take z to the shop......now won't start....I check fuel pressure with tester...it's very good.... I have spark on the coils....----I test 3 ECU. in good condition....note 2 of th e ECU before are runing perfect with the other engine.....I check 2 CAS.....note one of theCAS it's runing with the old engine.....I try 4 PTU....2 From z32 and the others 2 are from infinity j30...I thing they're the same rite? I check the ECU for any code.. Read code 55 no malfunction ok.....NOTE...the car start perfect when I spray fuel to the throttle body....but the problem is no POWER IN THE INJECTORS.....?????PLEASE....some help thanks