fuel gauge

I would like to perform a fuel pressure test but am having trouble locating the schrader valve to attach a pressure gauge. Below is a link to a few photos of what I think may be the correct valve, based on the location of the pipe and where it goes. One is marked "1" in red and has an "L" on...

Following on from the fuel gauge yes it is working having done about 200 miles it finally decided to move itself, but how about this?? I got the eml up and the computer read out went haywire (kept switching on and off) but would not go through the full options just stuck on miles to go. I have a...