Automotive Mastery Diagnose and Fix the PO141 Code Like a Pro

The trouble code P0141 warns about an issue in the heating circuit of the catalytic converter's downstream oxygen sensor. 1997 - 2003 F150 - Help on codes P0141 and P0301 - Went to Checker Auto for OBD II. Got these codes. 02 sensor heater circuit malfunction ... P0141 indicates a problem with the secondary O2 sensor heater element not the cat. Did you replace the primary or secondary O2 sensor? Trending ... The code refers to the O2 bank2 sensor. It's the one on the exhaust pipe after the cat. It's connector is on the gearbox body. TLDR- trouble code: P0141 Oxygen sensor heater circuit malfunction bank 1 sensor 2. Readyness monitors: -Oxygen sensor heater ✓ -Oxygen ... P0141, “O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 2),” means something is preventing your car's Bank 1 number 2 oxygen (O2) sensor's heated circuit ... Code P0141 (O2 Sensor Heater Circuit Bank 1 Sensor 2) and Code 61-1 / 61-2 are reported from my check engine light OBD read. P0141 O2 sensor heater circuit, bank 1, sensor 2 and P2096 Post Catalyst Fuel Trim System Too Lean. Mechanic's Assistant: Are you certain it's the fuel ... 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. Check Engine Light? O2 Sensor Heater Circuit Malfunction - Code P0141.