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Home >> Isuzu >> 2004 >> Ascender LS, 4.2 S, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls (Troubleshooting) - 4.2L >> Engine Controls (Troubleshooting) >> Inspection/Maintenance (I/M) Catalyst System Set Procedure >> Description
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Inspection/Maintenance (I/M) Catalyst System Set Procedure: Description

The purpose of this test is to satisfy 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.