i bought the car awhile ago and it was running fine until i decided to change the exhuast manifold and the intake with no EGR well.. the car didnt start so i jumped the battery backwards but i didnt crank the car so i switched it bac and charged it. well now when i crank the car injectors 123 does not spray any fuel and on injectors 456 it sprays fuel continously and cat is leaking oil i think beacuse the engine is being flooded with fuel and i tried to unplug injectors 456 it starts and runs on 3 cylidners any help will be appreicated thanks :doh:

 

Is the EGR blocked off completely? Also, try checking the harnesses to the fuel injectors themselves and that you didn't mismatch them. They may be loose or they may be in the wrong order.

John 82ZXT

 

ive change my stock intake manifold to a n42 so i do not have egr oh yea btw my car is a 83 280zx NA my harness doesnt have numbers on them so i can i tell which goes were?