Today happen something that has never happen to me before. Well, at least not to me. The check engine light went on today. I got the SCANNER and it was the P0110, which is the IAT Sensor Circuit Malfunction. . After a while, the light went off by itself. That's strange? Did it fix itself? Did the sensor after the engine warmed us kicked in again? Has this happened to anyone before? The mileage was OK, no excess gas used. No stinky gas smell at the muffler.