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Chevrolet
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2005
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Venture LS
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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 - 3.4L DTC P0140 To P0443
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DTC Tests
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DTC P0171
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Conditions for Setting the DTC
Conditions for Setting the DTC
The average long term fuel trim value is above 23 percent.
All of the above conditions are present for 6 seconds.
DTC P0171 runs continuously when the above conditions have been met.