Mike's Workshop Manuals
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Chevrolet
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2006
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Uplander LT, 3.9 1
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - 3.9L - DTC P0011 To P0420
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DTC P0068 or P0121
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DTC Descriptor
DTC Descriptor
DTC P0068
Throttle Body Airflow Performance
DTC P0121
Throttle Position (TP) Sensor Performance