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Home › Cadillac › 2003 › CTS Standard › Repair and Diagnosis › Engine Performance › System › Engine Controls - Self-Diagnostics › Drive Cycles › Inspection/Maintenance Heated Oxygen Sensor/Oxygen Sensor System Set Procedure › Conditions For Running

Conditions For Running

Mass Airflow is 10-35 g/s.
Throttle angle is 5-35 percent.
Engine is running in closed loop fuel control.
Battery voltage is more than 10.5 volts.
EVAP tests are not active.