Ford P1152 OBD-II Trouble Code Definition: P1152 Lack Of HO2S21 Switch – Sensor Indicates Rich P1152 Ford OBD-II Trouble CodeDescription: Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1152 OBD Code Description Lack Of HO2S21 Switch – Sensor Indicates Rich is one of the definitions for the P1152; however your vehicle’s manufacturer may […]