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Home >> Buick >> 2006 >> Lucerne CXS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 4.6L - DTC P0016 To DTC P0401 >> DTC P0068 or P0121 >> DTC Descriptors

DTC Descriptors

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

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