Automotive Diagnostic Mastery The PO141 Code Simplified

My '01 V6 came up with a P0141 code after sitting for a month. I replaced bank 1 sensor 2 with a Denso one and I still have the same code. Actually it refers to Bank one Sensor 2 which is the one behind the cat.... The code means the cat is under performing or the sensor is bad. You can have an Auto Zone or repair shop clear the code, however it may go away on its own. P0141: bank 1 sensor 2 problem... · OBD system data is inappropriate for the vehicle being tested; · OBD system data does not match the original ... It came up with code P0141 - O2 Sensor Heater Circuit (Bank 1 Sensor 2). The car also exhibited the classic poor idle quality associated with an ... P0141 is the heater circuit for the downstream O2 sensor located after the catalytic converter and connected to the harness near the taillight. Yes Bank 1 sensor 2 monitors catalytic efficiency, however, the heater circuit is not working, meaning the heater inside the sensor 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 ... After running the code, they told me it was the O2 sensor in Bank 1 Sensor 2. It either has a short circuit or the sensor is bad. This same code ... 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 ...