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 MANUALSFORD2012FUSION AWD V6-3.5LREPAIR AND DIAGNOSISENGINE, COOLING AND EXHAUSTCOOLING SYSTEMENGINE - COOLANT TEMPERATURE SENSOR/SWITCHENGINE TEMPERATURE SENSORSERVICE AND REPAIR
2012 Ford Fusion AWD V6-3.5L
Engine Temperature Sensor: Service and Repair
2012 Ford Fusion AWD V6-3.5LSECTION Service and Repair
Cylinder Head Temperature (CHT) Sensor
1. Remove the lower intake manifold.
2. Disconnect the Cylinder Head Temperature (CHT) sensor electrical connector.
3. Remove and discard the CHT (Cylinder Head Temperature) sensor.
- To install, tighten to 10 Nm (89 lb-in).
4. To install, reverse the removal procedure.
- Do not reuse the CHT (Cylinder Head Temperature) sensor, install a new sensor.
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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.