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Home › Buick › 2009 › Allure Super › Repair and Diagnosis › Engine Performance › System › Engine Control System & Fuel System - 5.3L - DTC P0016 To DTC P0358 › DTC P0068 or P0121 › DTC Descriptors

DTC Descriptors

DTC P0068

Throttle Body Airflow Performance

DTC P0121

Throttle Position (TP) Sensor 1 Performance

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