P2270 CHRYSLER – O2 Sensor 1/2 Signal Biased Lean

 

P2270: DIY Repairing Video Tutorial

https://youtu.be/EIzH2fh3dco

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

 

P2270 CHRYSLER Possible Symptoms

  Engine Light ON (or Service Engine Soon Warning Light)  

P2270 CHRYSLER Possible Causes

  Faulty O2 Sensor 1/2,O2 Sensor 1/2 harness is open or shorted,O2 Sensor 1/2 circuit poor electrical connection,Exhaust leak,Faulty Powertrain Control Module (PCM)  

P2270 CHRYSLER Description

  The Powertrain Control Module (PCM) detects that the sensor does not output a voltage greater than a calibrated high voltage and less than a calibrated low voltage within a specific time period