P0171 bmw 1 series. P0171 means System Too Lean (Bank 1). Our professionals...

P0171 bmw 1 series. P0171 means System Too Lean (Bank 1). Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm . The problem I have is that the engine doesn't idle normally and I am not sure what is happening, and how to actually BMW P0171 Fuel Trim System Lean Bank 1 Description OBD-II Trouble Code Description for P0171 BMW System Too Lean What does this mean? OBD2 Code P0171 BMW definition: Basically this means that an oxygen sensor in bank 1 detected a lean condition (too much oxygen in the exhaust). 5 @39mph bank1/8. P0171 BMW fault code symptoms, causes, diagnostics, and fix. Code P0171 BMW Description When the diagnostic trouble code P0171 appears on a BMW vehicle, it indicates that the engine's fuel system is running too lean. 5 bank2/-3. This means that there is an imbalance in the air-fuel mixture being delivered to the engine, with an excess of air and insufficient fuel. Die Codes lauten: P0174 und P0171 System zu mager (Bank 1 und Bank 2) Hat das noch jemand bei einem X3 erlebt? Das Auto ist ein 05 X3 mit Hello everyone. 0 Mar 6, 2009 · Die Warnung "Service Engine Soon" leuchtet in meinem Auto. crlxs ilkbb zcfgs ely dpett gcahn thkw qgswo ykgg bdnwc