7.3L Powerstroke: Crank and no start. Mechanical Guage testing. You'll never guess the cause!

So here I try my best to show how to test a HPOP with a gauge and we also air leak test the injector seals. This was a 7.3L Powerstroke crank and no start. You'll have to watch the vidya to find out the cause.
Disclaimer: This video is intended for educational purposes only. Always follow proper manufacturer instructions and safety procedures.