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Home >> Saturn >> 2003 >> Ion 3 4D Coupe, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Drive Cycles >> Inspection/Maintenance Catalyst System Set Procedure >> Diagnostic Aids
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Diagnostic Aids

The Engine Control Module (ECM) runs a maximum of 6 tests per trip until the Catalyst System Status updates to YES. If the status does not update, the test outlined in this procedure can be repeated until the I/M System Status updates to YES.