Are all of your charge pipes connected? not blown out or leaking? that can definitely cause this if you aren't getting boost to the intake.
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In the most Basic of terms, the SES light (ck eng) will tell you that the PCM (computer) sees something wrong and you need to find out what it is to fix the problem quickly and efficiently. If you don't have that light ON, then I would next suspect Fuel Delivery as the culprit as the PCM has no way to monitor that and a good place to start would be to simply change the Fuel Filter now 
My Usual Scanner Advice;
If you're gonna keep & maintain the truck yourself I strongly suggest you get access to the special scanner software you need to do it.
To retrieve most of the codes you'll need to help and even do some testing look at the FORscan Lite or TorqueApp (you add an Android device and Blue Tooth Adapter for @ $30) OR the Windoze version with a USB adapter. I like this one for BT Android -> http://www.amazon.com/BAFX-Products-34t5-Bluetooth-Android/dp/B005NLQAHS/
Just a few years ago you needed to buy a professional scan tool because our trucks need to have a scanner with a Library containing both the Ford Proprietary AND the Diesel Specific codes in it. Add to that, our trucks are Not, specifically, OBD-II so the Generic scanners the Auto Parts Stores have are of little use to us. But today there are some very good App based tools, that are close to what the pro tools do, for fraction of the cost.
www.powerstroke.org
My Usual Scanner Advice;
If you're gonna keep & maintain the truck yourself I strongly suggest you get access to the special scanner software you need to do it.
To retrieve most of the codes you'll need to help and even do some testing look at the FORscan Lite or TorqueApp (you add an Android device and Blue Tooth Adapter for @ $30) OR the Windoze version with a USB adapter. I like this one for BT Android -> http://www.amazon.com/BAFX-Products-34t5-Bluetooth-Android/dp/B005NLQAHS/
Just a few years ago you needed to buy a professional scan tool because our trucks need to have a scanner with a Library containing both the Ford Proprietary AND the Diesel Specific codes in it. Add to that, our trucks are Not, specifically, OBD-II so the Generic scanners the Auto Parts Stores have are of little use to us. But today there are some very good App based tools, that are close to what the pro tools do, for fraction of the cost.
Ford SuperDuty Diagnosis on the Cheap
How To: Super Duty Diagnosis on the Cheap! This will be a multi-part write-up, covering how to diagnose, monitor, and run tests on Ford Super Duty Trucks, focusing on the Ford 7.3L Super Duty as that is the truck that I own, but these tools work for all Super Duty Trucks. Warning: Some...
www.powerstroke.org
Sheesh- you got me there. Sorry, and thank you. Guess I saw "no engine light" and assumed it was fuel delivery since it's not on, then missed the part about the right scanner.Because it was too much effort to read thru Post #5?
So, https://www.amazon.com/BAFX-Products-34t5-Bluetooth-Android/dp/B005NLQAHS/ is for Android only, it appears. Since I have an iPhone family it looks like I will need to follow the instructions for the PC route, correct?
The pc version is free. I use that. On the 7.3s I'd get a 100$ boost gauge and put a T fitting off the MAP sensor line and run the gauge in the cab. I'm always interested in seeing what the turbo is doing. Everyone I helped with theirs I convinced them to throw one in. Never had any complaints after it was in. Hard to stop staring at it while driving though.
I ran the background light to the gauge panel wiring and never had any issues with circuits overloading.
I ran the background light to the gauge panel wiring and never had any issues with circuits overloading.
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