Just did a compression test on my GN. Engine was semi warm and I had the throttle cracked open. I just disconnectd the ECM orange wire by the battery. Doesn't that shut off the injectors as good as pulling the injector fuse(s)? The compression #'s I got were not as good as I hoped. All 6 were between 100 and 115. Seems a little low. Maybe the compression gauge is bad? I am chasing a low vacuum condition. Vacuum fluctuates between 12 and 15 at idle. Already checked all the vacuum lines with a mityvac.