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Home >> Chevrolet >> 2003 >> Astro Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (Engine Controls Self-Diagnostics - 2.2L) >> Drive Cycles >> Inspection/Maintenance Catalyst System Set Procedure >> Description
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Inspection/Maintenance Catalyst System Set Procedure: Description

WARNING: This page is about a different car, the 2003 Pontiac Sunfire, 2003 Pontiac Grand Am, 2003 Oldsmobile Alero, and 2003 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.

This test satisfies the enable criteria necessary to execute I/M readiness diagnostics for the catalyst system. The test may be used to set the I/M System Status indicators to YES. Ensure that the vehicle meets the requirements listed in Conditions for Running before performing this test. Failure to meet the necessary requirements may produce inaccurate test results.