Lincoln Navigator 2013 Sensor Code 1299

Thanks in advance for your time and input!

2013 Lincoln Navigator L-5.4L V8 P1299 Error Code.

Looking for Cylinder Head Temperature (CHT) Sensor location? Along with any input.

Coolant is fine, engine is not over heating but a FAN keeps kicking on. Check engine light turned on while driving and vehicle stalled. I did a Reset code with OBD2 scanner and was able to get vehicle home. Initially started with heater blowing cold air, not getting hot. I will also be replacing the thermostat.

Topic

[Richard KirshyParticipant]

P1299 LINCOLN Possible Causes
What does this mean?
Low engine coolant
Faulty Thermostat Faulty Cylinder Head Temperature (CHT) Sensor
Cylinder Head Temperature Sensor harness is open or shorted

As to location:
https://www.2carpros.com/images/question_images/309520/original.jpg

What your describing: Initially started with heater blowing cold air, not getting hot.
Sounds like air entrapment.
Even though you say the coolant level is good , it is possible to have a air bubble in the system.
As to what caused it is another thing.
But I would suggest bleeding the system first and see if that does anything first.
Cylinder Head Temperature Sensor circuit poor electrical connection

• This reply was modified 2 years, 7 months ago by  Richard Kirshy.

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