Engine Coolant Temperature Sensor 2 Chevrolet Sonic 1.8L 2012-2020 Location and Replacement

In this video, I show you only the exact location of the Engine Coolant Temperature (ECT) Sensor 2 on a 2012-2020 Chevrolet Sonic 1.8L.

Finding the precise spot where this secondary sensor is located will save you plenty of time and guesswork during your DIY repair.

Common Symptoms of a Bad Coolant Temperature Sensor 2:

• The check engine light comes on (frequently triggering cooling system efficiency codes)
• The dashboard temperature gauge displays erratic or completely incorrect readings
• The radiator cooling fans run continuously at high speed, even when the engine is cool
• A drop in overall engine performance and fuel economy
• The vehicle’s air conditioning system suddenly stops working properly

Safety First

Always put your safety first when dealing with the cooling system. Make sure the engine has been turned off and is completely cool to the touch before you begin working to prevent serious burns from hot fluid or steam. Always wear your safety glasses and protective gloves, and keep your full attention on the repair.

Need Help? Ask an Expert

I am an experienced mechanic, and I am here to help you guide your vehicle back to full health. If you run into a roadblock, need help diagnosing a tricky breakdown, or have a specific question about this fix, leave a message in the comments below. Let me know what is going on, and I will help you solve your car’s problem!