Vehicle Repair Guides

How to determine which oxygen sensor is having trouble based on the check engine codes. Bank 1 sensor 2 this o2 sensor is located right after the catalytic converter on the side with the cylinder 1 that is bank 1.

Bank 1 Vs Bank 2 Sensor 1 2 O2 Sensor Location

To summarize it all this is how you ll locate the respective sensors by their cylinder number and their sensor number.

O2 sensor bank 1 sensor 2 location. Bank and sensor locations. Check engine light codes associated with a bad oxygen sensor. Sensor 1 is the o2 sensor that is located before upstream of the catalytic converter or also called the pre catalytic converter.

Bank 2 sensor 1 is the first sensor closest to the engine on the 2nd bank on the engine cylinder 2 4 6 8 if its a v engine usually the right side of the engine from a driver perspective. Sensor 2 is the sensor that is located after downstream the catalytic converter or also called the post cat. Where is sensor 2.

Bank 2 sensor 2 is the second sensor on the exhaust pipe from the engine usually behind the catalytic converter. Bank 1 sensor 1 this o2 sensor is located right before the catalytic converter on the side with the cylinder 1 that is bank 1. Fitted on bank 2 which means the cylinder 2 4 6 8 etc if it s a v engine.