Cracking the Code P0141 Explained for Maximum Performance

P0141 Oxygen Sensor Heater Circuit Malfunction (Bank 1 Sensor 2) ... Stored DTC (S) (DCT= Diagnostic trouble code) P0141 -- Oxygen Sensor ... This is an issue with the heater element or wiring of the o2 sensor. Replace that oxygen sensor to make the fault go away. 2nd Gen Ram Tech - P0141 code - P0141 O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2) Is this the one beind the cat? Check the fuse for the O2 sensor circuit before you replace the sensor. I just replaced both my sensors only to find that the blown fuse was ... Yes Bank 1 sensor 2 monitors catalytic efficiency, however, the heater circuit is not working, meaning the heater inside the sensor is ... The difference between code P0139 and P0141 is location of the O2 sensor. Anyone know which code refers to which O2 sensor? When you encounter a P0141 engine code on a vehicle, it indicates an issue with the heater circuit O2 sensor on engine bank 1. The oxygen ... 99' Forester Check engine light code P0141, Bank 1 sensor 2. My understanding of the printout indicates that it would be the first one down from the cylinder ... The trouble code P0141 warns about an issue in the heating circuit of the catalytic converter's downstream oxygen sensor. Bank means hole basically I guess. The code is for your 2nd o2 sensor which is screwed into your exhaust just behind the cat.