Unleash the Potential Bank 2 Sensor 1 for Optimized Engine Performance and Efficiency

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 ... The O2 sensor is actually before the two pipes join into one - and hence each of these two pipes appears to have what looks very much like an O2 sensor. In all cars, Bank 1 is the side closest to cylinder 1 (which on the VR6 is passenger side for LHD cars). Sensor 1 is always upstream of the cat. 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 ... While my SAE/ISO reference gives one scheme to number cylinders and banks: The cylinder furthest away from the driver is #1 cylinder and ... got a p0051 and going to be replacing o2 sensor located in bank2 sensor1, is bank 2 (cylinders 2, 4, and 6) located on the passenger's side or the dri. ... sensor is not stable, but Bank1 Sensor2 is (duel exhaust vehicle). ... bank 1, therefore the driver's side if the engine would be bank 2. 234-4407 Oxygen O2 Sensor 2 Downstream Compatible with 02-06 Chevy Express Silverado Tahoe GMC Savana Sierra Yukon & 03-06 Hummer H2 Cadillac Escalade First, find the connector, squeeze it and disconnect it. Then, use the Oxygen Sensor Removal tool and engage the sensor from under the car. Sensor 1 is always an upstream sensor. Bank 2 is the front bank (closest to the radiator), the sensor is in your face when you open the hood and look down.