Based on this awesome writeup, I was motivated to test the fuel pressure on my CIS-Lambda equipped GTI:
I balked for a while at the price of pressure testers though. And couldn't really find a workaround on the interwebs.
So, after doing quite a bit of surfing on McMaster, I was able to piece together a tester for about $35, and thought I'd share my parts list with you all.
1 4089K61 Multipurpose Gauge, Plastic Case, 2" Dial, 1/4 NPT Bottom, 0-100 PSI (1 @ 9.66 each)
2 4464K48 Type 304 Stainless Steel Threaded Pipe Fitting, 1/4 Pipe Size, Tee, 150 PSI (1 @ 6.91 each)
3 5779K109 Nylon and Nickel-Plated Brass Tube Fitting, Adapter for 1/4" Tube OD X 1/4" NPT Male Pipe (2 @ 2.91 each)
4 5269K311 Steel Compression Tube Fitting, Straight Adapter for 6MM Tube OD X 1/8 NPT Male (1 @ $4.11 each)
5 5779K129 Nylon and Nickel-Plated Brass Tube Fitting, Adapter for 1/4" Tube OD X 1/8" NPT Female Pipe (1 @ $4.06 each)
6 8359K14 High-Strength Clear Nylon Tubing .190" ID, 1/4" OD, .030" Wall Thickness (3ft. @ $.36/ft.)
You can see that I omitted the Gate Valve to save money in favor if just folding and crimping the flexible line to stop flow.
This all totals out to around $35 with shipping I believe. I actually got the tubing from work, but this stuff I listed as #6 should be the same stuff.
The hard to find M12x1.5 fittings are actually contained in part #4. Half of this part is the female portion, half is the male portion.
I only ran the tests described once, just to see that my tester was working and everything was peachy.