Have seen a few guys install the kits wrong. They install the o ring onto the new driver side rear rail fitting and it does not seat right and seal off.
Also I did put a o ring on the new fitting buts not leaking fuel anywhere
Brand new or not id still do the bottle test its a PITA but its a free test and like i said ive seen brand new injectors bad.
I know exactly what you meanI've worked on a lot of trucks and Coustmer trucks always come out flawless but mine has been One big project from day one haha funny how that works
Just incase and for our learning purpose please post it dan.It only takes 2 mins with a flashlight. do you need instructions?