Ford Explorer P Codes (Powertrain) P1100 - P1199

Codes Popped Up, And Is The Only Code. What Shall I Do And What Exactly Does This Code Mean? Some Info, Replaced Intake Gasket And Gasket...

I Received The Above Code (p1131) And It Basically Says Bad O2 In Bank One Which Is Right Side Of Engine. Continuing To Do Research On It...

I Have A 97 Ford Explorer And It Threw The Code P1131. It Idles Really Rough At Times And Sometimes Even Kills. I Can Also Smells Unburned...

2002 Ford Explorer 4.6l V8, Auto, 4x4, 59500 Miles. I Have A Code From My Computer (p1131), Which From What I Have Found Indicates A Lean...