Alfa Romeo P1152 Lack Of HO2S21 Switch – Sensor Indicates Rich

Description Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1152 Alfa Romeo OBD Code Description Lack Of HO2S21 Switch – Sensor Indicates Rich is one of the definitions for the P1152 Alfa Romeo; however your vehicle’s manufacturer may have a different definition for the P1152 Alfa Romeo code. Please check below for…

P1152 Acura Lack Of HO2S21 Switch – Sensor Indicates Rich

Description Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1152 Acura OBD Code Description Lack Of HO2S21 Switch – Sensor Indicates Rich is one of the definitions for the P1152 Acura; however your vehicle’s manufacturer may have a different definition for the P1152 Acura code. Please check below for your specific make….

P1152 FORD Lack of Upstream Heated Oxygen Sensor Switch Sensor Indicates Rich Bank 2

Possible causes – Faulty Oxygen Sensor– Fuel pressure high or low– MAF sensor dirty/defective– Vacuum leak on engine– Leaking fuel injector or fuel pressure regulator– Faulty Powertrain Control Module Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1152 FORD OBD Code Description A Heated Exhaust Gas Oxygen (HEGO) Sensor indicating lean at…