Ford P0143 OBD-II Trouble Code Definition: P0143 Heated Oxygen Sensor 3 Heater Control Circuit High P0143 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0143 O2 Sensor Circuit Low Voltage What does the code mean? OBD-ii Code P0143 definition: The Catalytic Converter is used to help control emissions. The PCM (Powertrain Control Module) uses the signal from […]