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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 P0116 or P0128 › DTC Descriptors

DTC Descriptors

DTC P0116: Engine Coolant Temperature (ECT) Sensor Performance
DTC P0128: Engine Coolant Temperature (ECT) Below Thermostat Regulations Temperature