Alfa Romeo P1158 Lack Of HO2S22 Switch – Sensor Indicates Rich

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) P1158 Alfa Romeo OBD Code Description The downstream HO2Ss are forced rich and lean and monitored by the PCM. The test fails if the PCM…

P1158 Acura Lack Of HO2S22 Switch – Sensor Indicates Rich

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) P1158 Acura OBD Code Description The downstream HO2Ss are forced rich and lean and monitored by the PCM. The test fails if the PCM does…

P1158 HONDA Air/Fuel Ratio Sensor 1 AFS- Terminal Low Voltage

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) P1158 HONDA OBD Code Description The Air/Fuel Ratio (A/F) sensor 1 is installed in the exhaust system…

P1158 ACURA Air/Fuel Ratio Sensor 1 AFS- Terminal Low Voltage

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) P1158 ACURA OBD Code Description The Air/Fuel Ratio (A/F) sensor 1 is installed in the exhaust system…