Focus Fanatics - View Single Post - rear (bank 2) oxygen sensor code
View Single Post
Old 07-09-2013, 02:53 PM   #3
Richard Bridgette
Focus Jr. Enthusiast
 
Join Date: Jun 2012
Fan#: 99824
Location: Huntersville, NC
What I Drive: SCCA GT-1 road race Mustang

Posts: 28
FF Reputation: 2 Richard Bridgette Good Standing Member
Buy-Sell-Trade Rating: (0)
Rear O2 sensor

I believe the rear O2 sensor basically monitors how well the catalytic converter is functioning, rather than rich or lean fuel mixture, which I believe is the main function of the front (bank 1) O2 sensor.
Richard Bridgette is offline  
    Reply With Quote