Decoding the Enigma Unraveling the PO141 Code

1)Fault is intermittent caused by poor contact in the sensor's and/or ECM's connector or was repaired and ECM memory was not cleared. Bank means hole basically I guess. The code is for your 2nd o2 sensor which is screwed into your exhaust just behind the cat. P0141 says “ O² sensor heater circuit malfunction, bank 1, sensor 2”. First you have to understand the O² sensor that we talking about and how ... codes p0141 and p0161 ... Both codes refer to problems with oxygen sensors used by the PCM to control the engine. These codes should have nothing ... If you changed the secondary o2 sensor and you still are getting the DTC P0141 code then you have a wiring problem more than likely. Leaving ... This code means that the heated circuit in the oxygen sensor on bank 1 decreases time needed to enter closed loop. Sensor #2 would be the second sensor ... The trouble code P0141 warns about an issue in the heating circuit of the catalytic converter's downstream oxygen sensor. 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 ... Your code indicates a fault in the heater circuit (short or open). Most likely is an open circuit due to faulty heater element in the sensor. The engine light in my 2003 SVTF came on yesterday... took it to Autozone to get the code checked and it's O2 P0141 - Sensor Heater Circuit Malfunction.