Unveiling the Secrets of Bank 1 Sensor 2 Oxygen Sensors A Comprehensive Guide

They should atleast last 100k miles. I've never changed mine and had it for 114K miles. But i did have to change the Bank 1 Sensor 1. It cost me ... Bank 1 Sensor 2 should be the sensor downstream of the catalytic converter. Bank 1 Sensor 1 would be upstream of the catalytic converter. -1AEOS00287 This video shows you how to install a new downstream O2 oxygen sensor Bank 1 Sensor 2 from TRQ on your 2009-2013 BMW 328i xDrive ... 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 ... Commonly, people think the p0420 code indicates that the oxygen sensors need to be replaced, but that's definitely not always the case. 1 ) UTI is an educational institution and cannot guarantee employment or salary. 2 ) For program outcome information and other disclosures ... Bank 1 Sensor 2 is Passenger's side, AFTER Catalytic Converter. Sep 6, 2010 | 07:53 AM. The term “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 ... 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 ... O2 Sensor Circuit Malfunction, Bank 2 Sensor 1, Broken sensor element. Sensor disconnected. Shorted wiring. Catastrophic failure of sensor due to thermal shock.