Tag Archives: OBD Code P0186

The Definition of Trouble Code P0186 An out-of-range performance for fuel temperature sensor “B” circuit. If you ever come across the trouble code P0186 on your vehicles, then you should know that it’s probably related to a problem with the unusual voltage signal on the fuel temperature sensor that is detected by the PCM. The voltage is supposedly to be out of the programmed performance range. The “B” in this case means the specific area of the circuit instead of …