Maximizing Fuel Savings Bank 1 Sensor 1 O2 Maintenance

Bank 1 sensor 1 should be the O2 sensor on the exhaust before the catalytic converter. The O2 sensor after should be sensor 2. I have a 2012 Ford Focus SEL and there's a code (P0131) O2 sensor circuit low voltage bank 1 sensor 1. I replaced the O2 sensor (Bank 1 Sensor 1) assuming it ... My bigger concern though are my O2 Sensors and the voltage they are showing; Currently I am getting no voltage readings from my upstream 02 ... Bank 1 is the side with the #1 cylinder (Cylinders 1 – 3 – 5 – 7 etc) Bank 2 is the side with the #2 cylinder (Cylinders 2 – 4 – 6 – 8 etc) The codes are produced because the oxygen sensor in bank-1, sensor-1 is getting an out-of-range reading, not necessarily that the O2 sensor is faulty. Re: Check Engine Light O2 Sensor Bank 1 Sensor 1 · 1- Bank 1 refers to the right bank on Ford V engines. · 2- The codes for O2 sensors are P0130 ... 1. Disconnect the heated oxygen sensor harness connector. 2. If reinstalling the old sensor, coat the threads with anti-sieze compound. “Bank 1 Sensor 1” refers to a specific oxygen sensor in your vehicle. It is a crucial component in the engine's emission control system. Buy YOUCANIC Pro Scanner https://www.youcanic.com/scanner/ Get Factory Service Repair Manuals & Specs https://www.youcanic.com/manuals Ask ... Bank 1 Sensor 1 is an Air Fuel Ratio Sensor, usually hovers around 3.1 to 3.2 volts with current hovering between -0.082mA to -0.055mA. This ...