Description Possible 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 Ford OBD Code Description The downstream HO2Ss are forced rich and lean and monitored by the PCM. The test fails if the PCM does…
Tag: P1157
Fiat P1157 Lack Of HO2S22 Switch – Sensor Indicates Lean
Description Possible 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 Fiat OBD Code Description The downstream HO2Ss are forced rich and lean and monitored by the PCM. The test fails if the PCM does…
Dodge P1157 Lack Of HO2S22 Switch – Sensor Indicates Lean
Description Possible 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 Dodge OBD Code Description The downstream HO2Ss are forced rich and lean and monitored by the PCM. The test fails if the PCM does…
Citroen P1157 Lack Of HO2S22 Switch – Sensor Indicates Lean
Description Possible 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 Citroen OBD Code Description The downstream HO2Ss are forced rich and lean and monitored by the PCM. The test fails if the PCM does…
Chrysler P1157 Lack Of HO2S22 Switch – Sensor Indicates Lean
Description Possible 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 Chrysler OBD Code Description The downstream HO2Ss are forced rich and lean and monitored by the PCM. The test fails if the PCM does…
Chevrolet P1157 Lack Of HO2S22 Switch – Sensor Indicates Lean
Description Possible 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 Chevrolet OBD Code Description The downstream HO2Ss are forced rich and lean and monitored by the PCM. The test fails if the PCM does…
Cadillac P1157 Lack Of HO2S22 Switch – Sensor Indicates Lean
Description Possible 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 Cadillac OBD Code Description The downstream HO2Ss are forced rich and lean and monitored by the PCM. The test fails if the PCM does…
Buick P1157 Lack Of HO2S22 Switch – Sensor Indicates Lean
Description Possible 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 Buick OBD Code Description The downstream HO2Ss are forced rich and lean and monitored by the PCM. The test fails if the PCM does…
BMW P1157 Lack Of HO2S22 Switch – Sensor Indicates Lean
Description Possible 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 BMW OBD Code Description The downstream HO2Ss are forced rich and lean and monitored by the PCM. The test fails if the PCM does…
Aston Martin P1157 Lack Of HO2S22 Switch – Sensor Indicates Lean
Description Possible 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 Aston Martin OBD Code Description The downstream HO2Ss are forced rich and lean and monitored by the PCM. The test fails if the PCM…