Swapped Injectors, Losing Preasure

djburke87

I have been having a misfire issue since I got my car (cylinder 3). So in my attempts to troubleshoot it, I have replaced my fuel injectors with new ones. Since I have replaced them, I have been losing fuel pressure while the car is off. When the engine shuts off, it has about 50-52 psi. Yesterday I monitored it for a bit. It was 45 psi after a few minutes, 35 psi after a few hours, and 20 psi after 10 hours.

When it starts, it takes a couple of extra seconds to start, and when it runs I have no issues at all. But the starting is annoying me. Also, this didn't fix my cylinder 3 misfire, oh well.

So what I am assuming is that I messed up an o-ring when I installed the injectors. Does that sound right?

I have a new set of o-rings, and I am going to replace the ones on the new injectors. Does anyone have any recommendations on how to not screw this up again? Yoh can lube the o-rings, right? I know you need to torque the rail, but is there anything else that I should do? It seemed pretty straight forward when I did it, but apparently I screwed it up somehow.

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2018 Nismo - Z1 Cold Air Intake, Z1 Silicone Hoses, Catalytic Converter Delete, Remark Axleback V1 Exhaust