Where is the bank1 sensor located?
Where is the bank1 sensor located? Bank 1 Sensor 1 is located right before the catalytic converter. Where are Bank 1 and 2 O2 sensors located? Summary. If your DTC code says: Bank 1 Sensor 1 = O2 sensor located before the catalytic converter, on the side with Cylinder #1. Bank 1 Sensor 2 = O2 sensor located after the catalytic converter, on the side with Cylinder #1. Bank 2 Sensor 1 = O2 sensor located before the catalytic converter, on the side with Cylinder #2. Is there a way to trace an O2 sensor? However, we have not yet...