Codes P0135/P0141 where to find locations of Bank 1 Sensor 1 & 2

Question

Where is bank 1 sensor 1 and bank 1 sensor 2 on my 2002 Acura 3.5 RL located?  I found 2 inside the engine compartment but not sure if these are the two sensors that need to be replace.  Pls help !

Answer 1

P0135  02 sensor heater circuit malfunction Bank 1 Sensor 1

P0141  02 sensor heater circuit malfunction Bank 1 Sensor 2

P0135 is known as the right primary 02 sensor , Sensor 1. Sensor 2 is the downstream 02 sensor or the catalytic monitor sensor.

 Location for P0135 Bank 1 Sensor 1

​ P0141 , Sensor 2 are downstream or catalytic monitor sensors