DTC P0154: Front Heated Oxygen Sensor (Ho2S) Circuit No Activity Detected (Bank 2 Sensor 1): Notes
NOTE:
This code applies to front HO2S on left bank of 3.0L engine.
NOTE:
To test HO2S response time, ECM/PCM forces fuel mixture alternately lean and rich. If HO2S does not respond within predetermined parameters it could be due to HO2S problem or fuel injection circuit problem.