DTC P0134: Front Heated Oxygen Sensor (Ho2S) Circuit No Activity Detected (Bank 1 Sensor 1): Notes
NOTE:
On 3.0L vehicles, this code applies to front HO2S on right bank.
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.