Ford P0158 OBD-II Trouble Code Definition: P0158 HO2S22 Circuit High Voltage P0158 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0158 O2 Sensor Circuit High Voltage What does the code mean? OBD-ii Code P0158 definition: The catalytic converter is used to lower harmful emissions. To ensure proper operation, there is an O2 sensor located behind the catalyst […]