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DTC P0125 Insufficient Coolant Temperature for Closed Loop Fuel Control: Description

Refer to DTC P0115  .

DTC DETECTION CONDITIONS AND TROUBLE AREA

DTC No. DTC Detection Conditions Trouble Areas
P0125
  • Case 1:

    Engine Coolant Temperature (ECT) is less than - 9.4°C (15°F) at engine start and following conditions are met (2 trip detection logic):

    1. 20 minutes elapsed after engine start
    2. ECT is sensor value remains below closed-loop fuel control enabling temperature
  • Case 2:

    ECT between -9.4°C and 1.7°C (15°F and 35°F) at engine start and following conditions are met (2 trip detection logic):

    1. 112.3 seconds elapsed after engine start
    2. ECT sensor value remains below closed-loop fuel control enabling temperature
  • Case 3:

    ECT is above 1.7°C (35°F) at engine start and following conditions are met (2 trip detection logic):

    1. 67.5 seconds elapsed after engine start
    2. ECT sensor value remains below closed-loop fuel control enabling temperature
  • Cooling system
  • ECT sensor
  • Thermostat