Three days ago my Bluetec wouldn't accelerate, even with the pedal to the floor. It just very slowly came up to speed. When it would eventually shift gears it would do it with a jerky slam. Then when I would slow down to stop at a light it would start to shudder with engine braking. The check engine light came on and stayed on. This continued for an hour until I parked it back in the garage. Next day (Sunday) everything was fine and the Check Engine Light was out. I took it in to the dealer this morning. They called today and said that a code was thrown showing a faulty pressure sensor in the Adblue system. They felt this could have caused all of these seemingly transmission related issues. They replaced the item and will be test driving it tomorrow. Hard to imagine the sensor could cause all this, but I have to go with the experts. Has anyone else had such a bizarre event occur?