Master Bank 2 Sensor 1 The Key to Unlocking Engine Efficiency

Last week I went to replace Bank 1 Sensor 2 (post-cat). My AlldataDIY subscription had the connector colors correct (G=1, B=2), but the ... Somewhere between that splice or connecter and that specific oxygen sensor, that is where the problem is. All you need to do is find open or ... I have a 2001 toyota seqouia 4x4 sr5 v8. The wire colors that appear to be a {BLUE/ with RED LINE } , {WHITE}, {GREEN/ with RED LINE}, {?BROWN?} Locating Oxygen Sensors: Identifying Bank 1 Sensor 1 (Upstream) and Bank 2 Sensor 2 (Downstream) 28K views 1 year ago We talking 02 sensors? Bank 1 is drivers side, Bank 2 is passenger side. Sensor 1 is precat, Sensor 2 is post cat. You need that open ended wrench to slip the wire through to get a firm hold around the sensor, and you can use ratchet with extension and flex-U-joints to save ... 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 ... 98+ birds have an 02 sensor on the driver side by themanifold(bank 1 sensor 1), the one were discussing on the passenger side behind the manifold before the ... OK, so when I get an error code on Bank 2 Sensor 1, is this the before or after O2 sensor? 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)