DTC P0125: Insufficient Coolant Temperature For Closed Loop Fuel Control
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2011 Mercury Milan, 2011 Mercury Mariner, 2011 Mercury Grand Marquis, 2011 Lincoln Town Car, and 2011 Lincoln Navigator L. However, it is still accessible from the selected car via links, so may be relevant.
P0125 - INSUFFICIENT COOLANT TEMPERATURE FOR CLOSED LOOP FUEL CONTROL
| Description: | Indicates the engine coolant temperature (ECT) or the cylinder head temperature (CHT) sensor has not achieved the required temperature level to enter closed loop operating conditions within a specified amount of time after starting the engine. | ||
| Possible Causes: |
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| Diagnostic Aids: | Compare the thermostat specification to the actual engine coolant temperature using the engine temperature PID (ECT or CHT). The temperature reading should be similar when the engine is at a normal operating temperature. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| Fiesta, Ranger 4.0L |
GO to PINPOINT TEST DX . | ||
| All others | GO to PINPOINT TEST DL . | ||