Inspection/Maintenance Heated Oxygen Sensor/Oxygen Sensor System Set Procedure: Description
WARNING: This page is about a different car, the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
This test is to satisfy enable criteria to execute I/M readiness diagnostics for the Heated Oxygen Sensor (HO2S) system. Test may be used to set I/M System Status to YES. Ensure vehicle meets requirements listed in CONDITIONS FOR RUNNING before performing this test. Failure to meet necessary requirements may produce inaccurate test results.