Volvo DTC OBD Codes P013A P013C P013E P014A
Volvo DTC OBD Codes P013A P013C P013E P014A Oxygen Sensor Problem Condition The engine control module (ECM) checks the rear heated oxygen sensor (HO2S) signal (bank 2). The Engine control module (ECM) actively regulates between rich and lean fuel/air mixture and registers how well the rear heated oxygen sensor (HO2S) signal follows these changes. The … Read more