P0156 and P0161 Fault Codes on 1999 Ford Windstar V6: Downstream Heated Oxygen Sensor Issue

Model: 1999 Ford Windstar V6 Fault Code: P0156 Posted: 2015-09-07 22:28

I'm experiencing Check Engine light activation with fault codes P0156 and P0161 on my 1999 Ford Windstar 3.8L V6 engine. These codes indicate a heated oxygen sensor problem on bank 2, sensor 2. My vehicle is equipped with only one downstream heated oxygen sensor. The OBD2 scanner shows that bank 1, sensor