Mike's Workshop Manuals
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Hummer
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2008
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H3 Base, Standard
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Repair and Diagnosis
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Engine Controls And Fuel - 3.7L - DTC P0366 To DTC P2444
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DTC P0411
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Conditions for Setting the DTC
Conditions for Setting the DTC
The difference between the predicted system pressure and the actual system pressure is more than 6 kPa.
DTC P0411 sets within 22 seconds when the above condition is met.