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 MANUALSFORD2012FOCUS L4-2.0LREPAIR AND DIAGNOSISENGINE, COOLING AND EXHAUSTCOOLING SYSTEMENGINE - COOLANT TEMPERATURE SENSOR/SWITCHSERVICE AND REPAIR
2012 Ford Focus L4-2.0L
Engine - Coolant Temperature Sensor/Switch: Service and Repair
2012 Ford Focus L4-2.0LSECTION Service and Repair
Engine Coolant Temperature (ECT) Sensor - 2.0L GDI
WARNING: Before beginning any service procedure, REFER to Safety Warnings . Failure to follow this instruction may result in serious personal injury.
Exploded View
Removal
1. Drain the cooling system. REFER to Cooling System Draining .
2. Remove the ECT (Engine Coolant Temperature) retaining clip.
3. Disconnect the ECT (Engine Coolant Temperature) sensor electrical connector.
4. Remove the ECT (Engine Coolant Temperature) sensor.
Installation
1. Install the ECT (Engine Coolant Temperature) sensor.
2. Install the ECT (Engine Coolant Temperature) sensor clip.
3. Connect the ECT (Engine Coolant Temperature) sensor electrical connector.
4. Fill the cooling system. REFER to Cooling System Filling And Bleeding - With A Vacuum Cooling System Filler or REFER to Cooling System Filling And Bleeding - Without A Vacuum Cooling System Filler .
RENDER: 1.0x
NO RELATED
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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.