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.
2023 Ford Expedition TimberlineFACTORY OEM SERVICE PROCEDURE
Engine Temperature
| DTC | Description | Action |
|---|---|---|
| P0116:00 | Engine Coolant Temperature Sensor 1 Circuit Range/Performance: No Sub Type Information | GO to Pinpoint Test DL |
| P0125:00 | Insufficient Coolant Temp For Closed Loop Fuel Control: No Sub Type Information | GO to Pinpoint Test DL |
| P0128:00 | Coolant Thermostat (Coolant Temp Below Thermostat Regulating Temperature): No Sub Type Information | GO to Pinpoint Test DL |
| P017C:00 | Cylinder Head Temperature Sensor "A" Circuit Low: No Sub Type Information | GO to Pinpoint Test DL |
| P017D:00 | Cylinder Head Temperature Sensor "A" Circuit High: No Sub Type Information | GO to Pinpoint Test DL |
| P101F:00 | Cylinder Head Temperature Sensor 1 Out Of Self Test Range: No Sub Type Information | GO to Pinpoint Test DL |
| P1285:00 | Cylinder Head Overtemperature Condition: No Sub Type Information | GO to Pinpoint Test DL |
| P1299:00 | Cylinder Head Overtemperature Protection Active: No Sub Type Information | GO to Pinpoint Test DL |
Factory Service Tools
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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.
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