Here is a good place for info on Ford fuel injection. If has a lots of it too. It will give you a break down and basicly show how and what to test when testing various sensors in your system.
http://www.fordfuelinjection.com/
Hope that helps. Just thought it would be nice with all the problems we have to have a sticky with a link that keeps this info right at hand. I just bookmark it but with so many people this should help get the word out. Please sticky for all of our sake!
added this to my DIY link
Thank you