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P0141 Diagnostic Trouble Code Discussion for December 2007

Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Performance

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Trouble Ticket Help Requests for DTC P0141
Help Request Posted
1999 Nissan Quest GLE 3.3L MIL Lamp on VIN: 4N2XN11T6X
P0141: Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction. I cleared code PO141 O2 sensor Bank 1 Sensor 2 heater malf. I start the car and road test. I notice on the scanner that the front O2 sensor (bank 1 sensor 1)heater comes on right away, but the rear 02 sensor (bank 1 sensor 2) takes about 2 to 3 minutes to come...
December 14, 2007
1999 Ford Ranger XL 3.0L Excessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1FTYR11V6X
P0141: O2 heater. This Ranger is running very rich at idle and cruise Huffing black smoke rich.Fuel pressure is stuck @55 psi.I have replaced the flex fuel sensor with a salvage yard unit but i think it is bad too.Information is bad at best on how the flex fuel system works.I r...
December 27, 2007
1996 Ford Taurus SHO 3.4L Excessive Emissions, Poor Idle Quality, Surge, MIL Lamp on VIN: 1FALP54N7T
P0141: HO2S21 heater. Thank you for your time in reading this and any help you can give me. Customer brought vehicle in because he thought the transmission was bad, may still be, who knows. I found that the speedometer did not work, the engine missed, and it had a tank full of code...
December 31, 2007