Mastering Bank 2 Sensor 1 The Ultimate Troubleshooting Handbook

Bank 1 will be cylinder 1. Cylinder 1 is usually the furthest cylinder forward. Right hand side in a Ford, left hand in a Chevy etc. Bank 2 is the driver side (US), according to the Service Manual. I would confirm the exact code. For my 2005 Z, DTCs P1051 and P1052 refer to ... ... Sensor Circuit Range/Performance Bank 2 Sensor 2. It stays on ... which ever side you #1 spark plug is on is your bank 1. Waterfowler's ... Bank 2 means that the O2 is sitting on the side of the engine that has the #2 cylinder. (Bank 1 would mean it's on the side of the #1 cylinder.). 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. 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 ... Preview image for a collapsed post. 1. Mike-Omologato-G.;3263351 said ... Find someone who can read the OBD output data (graphically examine sensor 1 & sensor 2 under load), and even put a scope at the wires at the ... 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 ...