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Home › Chevrolet › 2006 › Impala LTZ › Repair and Diagnosis › Engine Performance › System › Engine Control System - 3.9L - DTC P0010 To DTC P0420 › DTC P0068 or P0121 › DTC Descriptor

DTC Descriptor

DTC P0068

Throttle Body Airflow Performance

DTC P0121

Throttle Position (TP) Sensor Performance

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