When reading the trouble codes through a scanner, it deserve to be difficult to figure out what the trouble code means. Right here is what you need to know about bank 1 and bank 2


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Bank 1 Sensor 1 is the an initial sensor closest come the engine. On bank 1 method it is in ~ the engine side v cylinders 1, 3, 5, 7, etc.

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Bank 1 Sensor 2 is the second sensor on the engine’s exhaust pipe, generally behindthe catalytic converter. On financial institution 1 method it is at the engine side v cylinders 1, 3, 5, 7, etc.

Bank 2 Sensor 1 is the an initial sensor closest to the engine. On bank 2 method it is at the engine side through cylinders 2, 4, 6, 8, etc.

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Bank 2 Sensor 2 is the 2nd sensor ~ above the engine exhaust pipe, typically behind the catalytic converter. On bank 2 way it is at the engine side with cylinders 2, 4, 6, 8, etc.