Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD2009FUSION SEL, 3.0 1, FWDREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS (EXCEPT DIESEL & HYBRID)DTC DIAGNOSISDTC P0125: - INSUFFICIENT COOLANT TEMPERATURE FOR CLOSED LOOP FUEL CONTROL
2009 Ford Fusion SEL, 3.0 1, FWD
DTC P0125: - Insufficient Coolant Temperature For Closed Loop Fuel Control
2009 Ford Fusion SEL, 3.0 1, FWDSECTION DTC P0125: - Insufficient Coolant Temperature For Closed Loop Fuel Control
DTC 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 ECT 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 |
| Explorer 4.0L, Explorer Sport Trac 4.0L, Fusion 3.0L, Milan 3.0L, Mountaineer 4.0L, Mustang 4.0L, Ranger 4.0L |
- | - | GO to Pinpoint Test DX . |
| All others | - | - | GO to Pinpoint Test DL . |
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.