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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 >> DTC P2066 >> Circuit/System Testing

Circuit/System Testing

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  1. Ignition OFF, remove the secondary fuel level sender and verify that there is no obstructions interfering with the fuel level sender.
    • If interference is present, remove the obstruction.
  2. If no interference is present, replace the secondary fuel level sender.
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