A couple of days ago I had been running errands. My last stop, very close to home, when I turned the car back on I got a Power Steering Failure message and it was extremely hard to turn the wheel. I drove home and made it okay. Once parked, I decided to try and restart my car and I didn't get the message, and the wheels turned easily -- my power steering was working okay.    I decided to head to my Ford dealer and see if they might know anything or have any suggestions. I got the Service Adviser