Ford P1157 OBD-II Trouble Code Definition: P1157 Lack Of HO2S22 Switch – Sensor Indicates Lean P1157 Ford OBD-II Trouble CodeDescription: Causes Pinched, shorted, and corroded wiring and pins. Crossed sensor wires. Exhaust leaks. Contaminated or damaged sensor. Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1157 OBD Code Description The downstream HO2Ss are […]