Ford P0141 OBD-II Trouble Code Definition: P0141 O2 Sensor 1/2 Heater Performance P0141 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0141 O2 Sensor Heater Circuit What does the code mean? OBD-ii Code P0141 definition: This code means that the heated circuit in the oxygen sensor on bank 1 decreases time needed to enter closed loop. As […]