Coolant Tempurature Sensor Repair Cleveland

Book an appointment at or call 855-253-2886

Coolant temperature sensor repair involves diagnosing and replacing a faulty coolant temperature sensor (CTS). The CTS measures the temperature of the engine coolant and sends this information to the engine control unit (ECU) to help regulate the engine’s operating temperature. Here’s a general overview of the repair process:

  1. Diagnosis: The first step is to diagnose the issue. A faulty CTS can cause various problems, such as incorrect temperature readings, poor engine performance, or even a check engine light. A mechanic will use a scan tool to read any diagnostic trouble codes (DTCs) stored in the ECU and perform additional tests to verify the sensor’s functionality.
  2. Locating the Sensor: The CTS is usually located near the engine’s thermostat housing or on the cylinder head. The exact location can vary depending on the vehicle make and model.
  3. Sensor Removal: Once the sensor is located, the mechanic will disconnect the electrical connector and use an appropriate tool to remove the sensor from the engine.
  4. Replacement: A new CTS will be installed in place of the old sensor. It’s important to use the correct replacement sensor recommended by the vehicle manufacturer to ensure proper operation.
  5. Reconnection and Testing: After installing the new sensor, the mechanic will reconnect the electrical connector and clear any DTCs stored in the ECU. The engine may need to be started and run to verify that the new sensor is functioning correctly and providing accurate temperature readings.
  6. Final Checks: Once the repair is complete, the mechanic will perform a final inspection to ensure everything is in order. They may also recommend a coolant flush and refill if the coolant is old or contaminated.

It’s important to address a faulty CTS promptly to prevent potential engine damage or performance issues. If you’re not comfortable performing this repair yourself, it’s best to have it done by a qualified mechanic.

Book an appointment at or call 855-253-2886

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