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Hummer
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2009
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H3 Base, Automatic
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Repair and Diagnosis (Single Page)
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Engine Performance
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System
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Engine Controls And Fuel - 3.7L - Troubleshooting & Diagnosis
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Inspection/Maintenance Complete System Set Procedure
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Circuit/System Verification
Circuit/System Verification
Review the I/M System Status indicators. All I/M System Status indicators should report YES.