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, 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.