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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 P0496 To DTC P2125
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DTC P0506
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Conditions for Setting the DTC
Conditions for Setting the DTC
The actual idle speed is approximately 75 RPM lower than the desired idle speed.
The above condition is present for 15 seconds.