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Hummer
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2006
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H3 Standard
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - 3.5L - DTC P2127 To DTC P2176
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DTC P2127
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Conditions for Running the DTC
Conditions for Running the DTC
The ignition is ON.
The ignition voltage is more than 5.23 volts.
DTC P0641 is not set.
DTC P2127 runs continuously when the above conditions are met.