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 Alfa Romeo OBD Code Description The downstream HO2Ss are forced rich and lean and monitored by the PCM. The test fails if the PCM…
Tag: P1157
P1157 Acura 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 Acura OBD Code Description The downstream HO2Ss are forced rich and lean and monitored by the PCM. The test fails if the PCM does…
P1157 HONDA Air/Fuel Ratio Sensor 1 Range/Performance Problem
Possible causes – Air/Fuel Ratio Sensor 1 harness is open or shorted – Air/Fuel Ratio Sensor 1 circuit poor electrical connection – Faulty Air/Fuel Ratio Sensor 1 Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1157 HONDA OBD Code Description The Air/Fuel Ratio (A/F) sensor 1 is installed in the exhaust system…
P1157 GMC HO2S Bank 2 Sensor 2 Lean System or Low Voltage
P1157 GMC HO2S Bank 2 Sensor 2 Lean System or Low Voltage
P1157 FORD Lack of Downstream Heated Oxygen Sensor Switch – Sensor Indicates Lean – Bank 2
P1157 FORD Lack of Downstream Heated Oxygen Sensor Switch – Sensor Indicates Lean – Bank 2
P1157 CHEVROLET HO2S Bank 2 Sensor 2 Lean System or Low Voltage
P1157 CHEVROLET HO2S Bank 2 Sensor 2 Lean System or Low Voltage
P1157 CADILLAC HO2S Bank 2 Sensor 2 Lean System Or Low Voltage
P1157 CADILLAC HO2S Bank 2 Sensor 2 Lean System Or Low Voltage
P1157 BUICK HO2S Bank 2 Sensor 2 Lean System Or Low Voltage
P1157 BUICK HO2S Bank 2 Sensor 2 Lean System Or Low Voltage
P1157 ACURA Air/Fuel Ratio Sensor 1 Range/Performance Problem
Possible causes – Air/Fuel Ratio Sensor 1 harness is open or shorted – Air/Fuel Ratio Sensor 1 circuit poor electrical connection – Faulty Air/Fuel Ratio Sensor 1 Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1157 ACURA OBD Code Description The Air/Fuel Ratio (A/F) sensor 1 is installed in the exhaust system…