P2098 BMW – Oxygen Sensor Before Catalytic Converter 2 Trim Control

 

P2098: DIY Repairing Video Tutorial

https://youtu.be/EIT16ufx1DY

Check out nonda Auto DIY Center for more engine error code repairing videos.
https://www.youtube.com/playlist?list=PL-Lyko0O0oxHe1AGvzwAz-wokJPXAtW97

 

P2098 BMW Possible Symptoms

  Engine Light ON (or Service Engine Soon Warning Light)  

P2098 BMW Possible Causes

  Pre cat or downstream post cat O2 sensor harness is open or shorted,Pre cat or downstream post cat O2 sensor circuit poor electrical connection,Exhaust system leak,Faulty pre cat or downstream post cat o2 sensor  

P2098 BMW Description

  Post catalyst fuel trim system too lean bank 2