P0125

DTC PO125
INSUFFICIENT COOLANT TEMPERATURE FOR CLOSED LOOP FUEL CONTROL (TW-CL)

Description
The Engine Coolant Temperature Sensor is located on the Engine coolant pipe which is made of aluminum alloy. Its thermistor changes resistance with respect to temperature. A Engine Coolant temperature signal converted into resistance is transmitted to the Engine Control Module (ECM) to control the amount of fuel injection, Ignition timing, Purge Control Solenoid Valve, etc.

DTC Detecting Condition
Two consecutive trips with fault

Trouble Symptom
Engine would not return to idling.