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Home >> Buick >> 2009 >> Allure Super >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System & Fuel System - 5.3L - Troubleshooting & Diagnosis >> Inspection/Maintenance (I/M) System Check >> Circuit/System Verification

Circuit/System Verification

Review the I/M System Status indicators. All I/M System Status indicators should report YES.

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