To find it, you'll need to:
1. Consult your vehicle's repair manual: This is the most reliable way to find the sensor's location. The manual will have diagrams and specifications specific to your Expedition's year and engine.
2. Look near the cylinder heads: The sensor is usually located on one of the cylinder heads, often near the thermostat housing or in a readily accessible area. It's typically screwed into the cylinder head itself.
3. Use online resources: Websites like Ford's official parts website or reliable automotive repair forums might have pictures or discussions that pinpoint the sensor for specific Expedition models. Search using your year, make, model, and engine code (e.g., "2018 Ford Expedition 5.4L CHT sensor location").
4. Check your vehicle's wiring harness: Trace the wiring from the CHT sensor connector back to the cylinder heads. This can help you locate the sensor's physical position.
Important Note: Some Ford Expeditions might not have a dedicated cylinder head temperature sensor. The engine coolant temperature (ECT) sensor, which is typically located in the engine block, might provide the temperature data used by the vehicle's computer. Refer to your repair manual to confirm if your Expedition even has a separate CHT sensor.
Without knowing the specific year and engine of your Ford Expedition, it's impossible to give a precise location. Using the methods above will be necessary to locate it accurately.
