Bank 2 Sensor 1 Your Guide to Accurate Diagnostics and Solutions

We talking 02 sensors? Bank 1 is drivers side, Bank 2 is passenger side. Sensor 1 is precat, Sensor 2 is post cat. Generally bank 1 and 2 will use the same type of O2 sensor so the computer is seeing apples to apples readings, but as others have mentioned ... The O2 sensors are located on the exhaust system (easy to spot as they stick out). You can get them from most any auto parts store. Can someone please tell me which exact O2 sensor Bank 2 Sensor 1 is please? Thanks in advance! Mods: K&N 69-6502TR Typhoon SRI, RRE headers, ... Mazda CX-9 - Where is Bank 2 Sensor 1 ? - Hi, Just got our CX-9 08 about a week ago and it has ran great. Yesterday the check engine light ... A major cause of misdiagnosis is not understanding the code definition. The problem starts by shortening or modifying the displayed code ... not a good question because my 98 ck 1500 GMC only has 2 sensors. 1 upstream and one down stream. they are both new but the wirinf on the up ... Bank 1 sensor one is going to be the side of the motor that cylinders number 1,3 and 5 is located at, Bank 2 sensor 1 is going to be the side cylinder numbers ... It is a tight spot down there ion Gen III Montero. You can drop front driveshaft. If that still does not create enough clearance, remove entire ... That sensor is the driverside rear sensor on the secondary cats. It's easy to change, just be very careful, as alot have damaged the sensor when moving over to ...