An engine coolant temperature sensor, or ECT sensor, is a device that measures the temperature of the engine coolant. This information is then used by the engine’s computer to adjust the air-fuel mixture and ignition timing. A faulty ECT sensor can cause a variety of problems, including:
- Engine overheating
- Poor fuel economy
- Reduced engine power
If you are experiencing any of these problems, it is important to have your ECT sensor checked. Resetting the ECT sensor is a relatively simple procedure that can be done in a few minutes. Here are the steps on how to reset engine coolant temperature sensor: