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Hummer
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2008
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H2 4D Utility Wagon
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Repair and Diagnosis
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Engine Performance
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Testing & Diagnosis
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Engine Controls And Fuel - 6.2L - Troubleshooting & Diagnosis
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Malfunction Indicator Lamp (MIL) Diagnosis
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Circuit/System Verification
Circuit/System Verification
Ignition ON, the MIL should turn ON and OFF when commanded with a scan tool.