exhaust pressure sensor circuit A?

[powerstroken00b]

I was driving to work today when the check engine light came on, when it did the turbo stoped spooling and the truck had no power at all. Idled normally and all which seems odd. I pulled the code and it says exactly whats in the title. Over this past summer i had the exhaust pressure sensor and the exhaust manifold replaced along with all new tube fittings. The work was on the driver side.of the motor. When i turned the code off the truck went back to normal, turbo spooled up and it ran like a champ. I guess what im asking is, is this somthing i should look into more or was it a fluke? I find it hard that the sensor has gone bad already. Anyone have any suggestions if this could be somthing else? The truck is an 04 f350 bone stock. No leaks or fluid loss either. Truck has 146xxx and climbing.