How Long Does a Cylinder Head Temperature Sensor Last?

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Average rating from 5 customers who received a Cylinder Head Temperature Sensor Replacement.

The engine’s performance is largely based on temperature measurements performed by the engine control module (ECM), also known as the vehicle’s computer. As the temperature of the engine increases, the resistance decreases which means the voltage drops. The computer receives this signal and converts it to a temperature value.

For example, when the engine is cold, it needs more fuel to start effectively. On the opposite end, when the engine is warm, it needs less fuel. The cylinder head temperature sensor monitors these temperatures and reports back to the ECM so it can adjust the temperature as needed.

The cylinder head temperature sensor can read from -40 degrees Fahrenheit to 260 degrees Fahrenheit. Furthermore, it consists of two sensors, one that monitors the high temperature and one that monitors the low temperatures. If the cylinder head temperature sensor is not providing the correct readings, the engine can have a variety of issues such as stalling, long cranking times, and hesitation while accelerating.

If you suspect there is an issue with the cylinder head temperature sensor, a professional from YourMechanic can read the sensor’s resistance. Furthermore, they will then compare the resistance to the temperature laser reading to ensure they match up. If there is a discrepancy between the readings, it could be a wiring issue or the sensor has gone bad. The cylinder head temperature sensor may need to be replaced or the wiring may need to be redone.

Since the cylinder head temperature sensor can go bad over time, or the wiring becomes bad, there are a few symptoms you should be aware of that indicate it is time for a replacement.

Signs that indicate you need a cylinder head temperature sensor replacement include:

  • You have trouble accelerating while driving your vehicle
  • The engine stalls when you start it cold
  • The idle speed stays low when the engine is cold
  • There is a long cranking time when you start your vehicle
  • Your vehicle hesitates when you accelerate

Without a proper working sensor, your vehicle may not work right so this repair should be completed as soon as you notice the problem.


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Recent Cylinder Head Temperature Sensor Replacement reviews

Excellent Rating


YourMechanic Cylinder Head Temperature Sensor Replacement Service

Average Rating

5/5

Number of Reviews

5

Rating Summary
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Michael

14 years of experience
507 reviews
Michael
14 years of experience
Ford F-150 - Cylinder Head Temperature Sensor - Marietta, Georgia
Michael's experience pays off when helping his customers. He makes you aware of things you have not taken into account. That is a valuable asset for Michael in helping people keep their vehicles running.
Infiniti G37 - Car is overheating - Duluth, Georgia
Great quote and check up

David

14 years of experience
597 reviews
David
14 years of experience
Toyota Corolla - Car is not starting - Carmichael, California
David showed up on time and was quick to figure out the problem with my car. Explained everything thoroughly and was able to book a next day appointment for me to fix the problem. The fact that I didn't have to tow my car to a service shop was so helpful and time saving.
Honda Civic - Distributor - Vallejo, California
Very impressed with his ability to fix my car

Matthew

10 years of experience
183 reviews
Matthew
10 years of experience
Ford Focus - Cylinder Head Temperature Sensor - Indianapolis, Indiana
He is a great mechanic very knowledgeable about cars and is friendly and on time. Is upfront and honest.

Nathan

16 years of experience
41 reviews
Nathan
16 years of experience
Ford Freestar - Cylinder Head Temperature Sensor - Dallas, Georgia
He did a very good job. Great friendly attitude and a Skilled mechanic. He explained the job well. Reviewed the work done and explained the other work that needs to be done; in a understandable manner for some one who would be unskilled with mechanics.

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