Symptoms of a Faulty Cylinder Head Temperature Sensor

The cylinder head temperature sensor is an electronic engine management sensor found on many modern cars nowadays.

The cylinder head temperature sensor measures the temperature of the engine cylinder head.

The computer uses this temperature measurement to calculate timing and fuel for maximum engine performance and efficiency.

The cylinder head is similar in purpose to the coolant temperature sensor, but it is more accurate due to the construction & operation of the sensor.

When the cylinder head temperature sensor has an issue, it can negatively affect the performance of the vehicle.

Here are the symptoms of a failing cylinder head temperature sensor. Long cranking time Engine performance problems Check engine light illuminates Replacing the cylinder head temperature sensor

Long cranking time

One of the first symptoms commonly experienced with a bad or failing cylinder head temperature sensor is a long cranking time.

The signals provided by the cylinder head temperature sensor monitors an important parameter, and when it malfunctions the cranking time gets extended.

If you notice the vehicle takes a longer cranking time when starting, then this is an indication that the cylinder head temperature sensor is giving a faulty reading.

Engine performance problems

Another symptom of a potential issue with the cylinder head temperature sensor is engine performance gets affected.

The temperature of the cylinder head is a very important signal used in engine calculation, thus any issues with them affect the engine's performance.

A malfunctioning cylinder head temperature sensor may cause issues like a decrease in power, acceleration, and fuel economy.

The performance issues are slightly noticeable in the beginning, but gets worse with the passage of time.

Check engine light illuminates

The check engine light gets illuminated when there are some issues with the cylinder head temperature sensor.

Replacing the cylinder head temperature sensor

First the cylinder head temperature sensor is verified for replacement, then the rubber head seal & connector are removed to access the sensor.

The defective cylinder head temperature sensor is removed with a deep well socket to unscrew the sensor from the cylinder head.

Then the new cylinder head temperature sensor is installed in the head and tightened to specifications.

The newly installed cylinder head temperature sensor is tested for operation using a scanner.

Finally

The cylinder head temperature sensor is an important component of the vehicle & should be inspected regularly for issues.

If you notice any of the above- mentioned symptoms, then it is an indication that the cylinder head temperature sensor has malfunctioned.

You should never be complacent in dealing with the issue and should take your car to an automotive repair shop to replace it immediately.

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