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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 93 (Instrument Panel System Displays And Gauges) >> Diagnostic Information and Procedures >> Engine Coolant Temperature Gage Inaccurate or Inoperative >> Circuit/System Testing

Circuit/System Testing

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  1. Ignition ON, perform the engine coolant gage sweep test with the scan tool.
    • If the engine coolant gage does not sweep from its low to high position, replace the IPC.
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