P1288Cylinder head temperature sensor out of self-test range
- Ford code · Engine
- How the car detects it
- During a self-test the cylinder head temperature (CHT) sensor did not read a normal operating temperature. Most often the engine was simply not warm yet; repeat the test hot. If the engine was overheating, check the cooling system instead.
- What you may notice
- Usually none
- Likely causes
- PossibleEngine not at operating temperature during the test
- RareEngine overheating or low coolant
- RareDamaged sensor or connector
- Sources
Backed by at least two independent sources.
From Obdaryn's Ford pack, exactly as the app shows it, with the public sources above. Guidance only; confirm with a workshop.