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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 - DTC P0300 To DTC P1175
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DTC P0650
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Conditions for Running the DTC
Conditions for Running the DTC
The ignition is in the Run or Crank position.
The ignition voltage is between 9-18 volts.
DTC P0650 runs continuously when the ignition is ON.