How can you tell which fuel pump needs to be changed on a chrysler 300c?

Question

I'm getting the diagnostic code p2099 on my 2012 Chrysler 300C. It's says fuel pump sensor b. I'm trying to figure out do I change the fuel pump on the driver side or passenger side.

Answer 1

P2099 Downstream fuel trim system 2 Rich

This is for the downstream 02 sensor which are 02 sensor that monitors the catalytic convertor, This is for Bank 2, You may not have to replace the downstream 02 sensor the common cause for this is a exhaust leak affecting the performance of the upstream 02 sensor and setting this code