Engine Performance Overhaul Replacing O2 Sensor Bank 1 Sensor 2

Sensor 2 is always after the catalytic converter. Sensor 1 measures exhaust before the cat, and Sensor 2 measures the exhaust after it to make sure the ... PCM Diagnostics & Tuning - Bank 1 Sensor 2 - how do I know what is what? - 23k miles and i've got an oxygen sensor code... P0137 O2 Sensor ... Only 75 emoji are allowed. ... × You cannot paste images directly. Upload or insert images from URL. Loading... 2nd Generation S-series (1995-2005) Tech - Bank 1 sensor 2, O2 sensor - Can someone confirm that this is the post cat. convertor sensor. The sensor is located post the catalytic converter in bank 1 & is easily accessible (bank 1 is the side close to the firewall - used 2 jack ... The P0138 code indicates a high voltage issue in the O2 sensor circuit for Bank 1, Sensor 2. This can affect your vehicle's performance and fuel efficiency, and ... 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 O2 sensor on bank 1 sensor 2 is located after the catalytic converter, on the first bank of an engine with two banks. Its duty is strictly ... So all of the oxygen sensors will be bank 1. The oxygen sensor or Air/Fuel sensor closest to the engine in the exhaust manifold will always be Sensor 1. The O2 ... Locating Oxygen Sensors: Identifying Bank 1 Sensor 1 (Upstream) and Bank 2 Sensor 2 (Downstream) 28K views 1 year ago