Code P0128

Tiny
BOBBY85
  • MEMBER
  • 2005 FORD ESCAPE
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 220,000 MILES
Engine not reaching its operating temperature. The radiator fan runs as soon as I start the car and stays on. I replaced the thermostat and sealed a leak in the cooling system. The error comes back on. The next thing I thought of was the coolant temperature sensor but that one seems to be fairly new, probably replaced by previous owner. The only thing left I can think off is the cylinder temperature sensor. Any other suggestions?
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Tuesday, January 14th, 2020 AT 5:28 PM

3 Replies

Tiny
SCGRANTURISMO
  • EXPERT
Hello,

Please answer the question that is in the diagrams down below and get back to us with the answer and we will go from there.

Thanks,
Alex
2CarPros
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Tuesday, January 14th, 2020 AT 8:54 PM
Tiny
BOBBY85
  • MEMBER
Sorry, I cannot see any questions in the diagram. What is the question?
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Thursday, January 16th, 2020 AT 5:42 AM
Tiny
SCGRANTURISMO
  • EXPERT
Hello again,

Does your vehicle have a Cylinder Head Temperature sensor[CHT] or a Engine Coolant Temperature sensor[ECT] or does it have both?

Thanks,
Alex
2CarPros
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Thursday, January 16th, 2020 AT 10:04 AM

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