02 sensors bank identification

[mainmansam]

Such a wealth of information on this site. I'm getting a code of P136 HO2S12 Thinking that is bank 1 sensor 2 Could somebody tell me what side of my 2002 Explorer Eddy Bauer is bank 1 After a couple hours of Google search and on your website still no definitive answer Thanks in advance

 

[2000StreetRod]

P0136

P0136 02 Sensor Circuit Malfunction (Bank I Sensor 2)
Bank 1 = Passenger side
Sensor 2 = Post cat sensor if you 2 pre-cat & 2 post cat, I don't know if you only have a total of 3 sensors