I have diagnostic codes P1247 and P1248. I checked the Map Sensor for connection issues and found none. I did however find some kind of mechanical valve on the vacumn hose leaving the MAP sensor with the name 'Airlogic' on it. Is this a Ford device? Any help would be appreciated.

 

Not sure if you got any help with this or not?

No air valve came stock on the trucks, sounds like someone added a home made MAP regulator.