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Home >> Buick >> 2001 >> Century Custom >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls Self-Diagnostics - 3.1L & 3.4L >> Inspection/Maintenance Procedures >> Inspection/Maintenance Catalyst System Set Procedure >> Description

Inspection/Maintenance Catalyst System Set Procedure: Description

This test should satisfy enable criteria necessary to execute I/M readiness diagnostics for the catalyst system. Test may be used to set I/M SYSTEM STATUS indicators to YES.