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Home >> Chevrolet >> 2003 >> Tracker 2D Utility, 4WD, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Control System Self-Diagnostics - 2.5L) >> Drive Cycles >> Inspection/Maintenance Heated Oxygen Sensor/Oxygen Sensor (Ho2S/O2S) System Set Procedure >> Description
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Inspection/Maintenance Heated Oxygen Sensor/Oxygen Sensor (Ho2S/O2S) System Set Procedure: Description

WARNING: This page is about a different variant/trim than selected.

The purpose of this test is to satisfy the enable criteria necessary to execute I/M readiness diagnostics for the HO2S/O2S system. Test may be used to set the I/M System Status to YES. Ensure vehicle meets the requirements listed in Conditions For Running DTC before performing this test. Failure to meet the necessary requirements may produce inaccurate test results.