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

Refer to DTC P0115  (see ).

DTC DETECTION CONDITION CHART

DTC No. DTC Detection Condition Trouble Area
P0125
  • Case 1:

    Engine Coolant Temperature (ECT) less than -19.45°C (- 3°F) at engine start and following conditions met (2 trip detection logic):

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

    ECT between -19.45°C and -8.34°C (-3°F and 17°F) at engine start and following conditions met (2 trip detection logic):

    1. 5 minutes elapsed since engine start
    2. ECT sensor value remains below closed-loop fuel control enabling temperature
  • Case 3:

    ECT above -8.34°C (17°F) at engine start and following conditions met (2 trip detection logic):

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