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Home › Chevrolet › 2006 › Uplander LT, 3.9 1 › Repair and Diagnosis › Engine Performance › System › Engine Controls - 3.9L - DTC P0011 To P0420 › DTC P0068 or P0121 › DTC Descriptor

DTC Descriptor

DTC P0068: Throttle Body Airflow Performance
DTC P0121: Throttle Position (TP) Sensor Performance