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Chevrolet
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2007
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TrailBlazer 4.2 S, RWD
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System & Fuel System - 4.2L - DTC P0135 To DTC P0420
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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.