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Home >> Chevrolet >> 2006 >> Impala LTZ >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 3.9L - DTC P0442 To DTC P2A01 >> DTC P2077 or P2078 >> DTC Descriptors
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DTC Descriptors

DTC P2077

Intake Manifold Tuning (IMT) Valve Position Sensor Circuit Low Voltage

DTC P2078

Intake Manifold Tuning (IMT) Valve Position Sensor Circuit High Voltage