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Home >> Chevrolet >> 2007 >> Impala SS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 5.3L - DTC P0016 To DTC P0442 >> 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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