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Published byProcar Mechanics Modified over 6 years ago
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Symptoms of a Faulty Cylinder Head Temperature Sensor
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The cylinder head temperature sensor is an electronic engine management sensor found on many modern cars nowadays.
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The cylinder head temperature sensor measures the temperature of the engine cylinder head.
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The computer uses this temperature measurement to calculate timing and fuel for maximum engine performance and efficiency.
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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.
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When the cylinder head temperature sensor has an issue, it can negatively affect the performance of the vehicle.
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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
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Long cranking time
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One of the first symptoms commonly experienced with a bad or failing cylinder head temperature sensor is a long cranking time.
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The signals provided by the cylinder head temperature sensor monitors an important parameter, and when it malfunctions the cranking time gets extended.
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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.
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Engine performance problems
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Another symptom of a potential issue with the cylinder head temperature sensor is engine performance gets affected.
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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.
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A malfunctioning cylinder head temperature sensor may cause issues like a decrease in power, acceleration, and fuel economy.
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The performance issues are slightly noticeable in the beginning, but gets worse with the passage of time.
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Check engine light illuminates
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The check engine light gets illuminated when there are some issues with the cylinder head temperature sensor.
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Replacing the cylinder head temperature sensor
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First the cylinder head temperature sensor is verified for replacement, then the rubber head seal & connector are removed to access the sensor.
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The defective cylinder head temperature sensor is removed with a deep well socket to unscrew the sensor from the cylinder head.
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Then the new cylinder head temperature sensor is installed in the head and tightened to specifications.
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The newly installed cylinder head temperature sensor is tested for operation using a scanner.
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Finally
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The cylinder head temperature sensor is an important component of the vehicle & should be inspected regularly for issues.
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If you notice any of the above- mentioned symptoms, then it is an indication that the cylinder head temperature sensor has malfunctioned.
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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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