P0141 Code Explained A Step-by-Step Guide for Diagnosis and Repair

P0141 O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 2). Jump to Latest. 27K views 26 replies ... It seams that once the sensor is heated, the code stays off. Sensor has a heater element in it that is not working, I guess. Have same problem with two brand ... Po141 code heater circuit malfunction where is it located. Visit me at: http://www.ericthecarguy.com/ Article on P0141 and O2 heater code failures: ... Actually it refers to Bank one Sensor 2 which is the one behind the cat.... The rear O2 sensor is protected by 2 fuses. Usually it's the lower amperage fuse that is either missing or blown. The lower amperage fuse is ... 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 ... The code in the present thread means the sensor itself has failed - probably the heater circuit. Go ahead and drive it. The oxygen sensors need to be at a certain temperature to work properly, after a while of running the exhaust temperature ... I read the code and found it out to be P0141 which relates to the O2 sensor heat circuit malfunction. I reset it twice, and the same code came back.