P0141 Code Demystified A Step-by-Step Guide to Clarity

Means the heater circuit for the downstream O2 sensor has a problem. It's located aft of the cat converter under the middle of the van. More ... OBD2 Scanner: https://amzn.to/3PHRplS ▶︎ O2 sensor removal kit: https://amzn.to/3dU26RA ▶︎ Check Out ALLDATA Manuals: ... I've got a 2021 supra and bought it with an aftermarket downpipe installed. I was able to fix the cat efficiency code, but there is still a P0141 heating ... P0141 O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 2). Jump to Latest. 27K views 26 replies ... R56 :: Hatch Talk (2007+) - O2 sensor heated circuit P0141 code persistent - I have a 2008 Cooper S with 95K miles. 2 months after purchase, ... 1997 - 2003 F150 - Help on codes P0141 and P0301 - Went to Checker Auto for OBD II. Got these codes. 02 sensor heater circuit malfunction ... When the PCM detects a malfunction in the oxygen sensor circuit, it will store a diagnostic trouble code (DTC) and illuminate the Engine Light ... P0141 is the heater circuit for the downstream O2 sensor located after the catalytic converter and connected to the harness near the taillight. The only code was the rear sensor. Replaced it and code changed to the heated circuit code, been only that one ever since. The code in the present thread means the sensor itself has failed - probably the heater circuit.