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Home >> Chevrolet >> 2003 >> Impala LS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Self-Diagnostics - 3.8L >> Diagnostic Tests >> DTC P0125: ECT Excessive Time To Enter Closed Loop Fuel Control >> Diagnostic Aids
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Diagnostic Aids

DTC P0125 is designed to detect a skewed ECT sensor.

If a DTC P0125 and a P0128 are set a faulty thermostat may be the cause, M/T.