Engine Coolant Temperature Sensor 1 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 1 on a 2012-2020 Chevrolet Sonic 1.8L.

Knowing exactly where this sensor is hidden will save you time and frustration if you are planning a DIY car repair. Replacing a faulty sensor can get your car running smoothly again, but diagnosing it first is key.

Common Symptoms of a Bad Coolant Temperature Sensor:

• The check engine light is on (often with codes like P0117 or P0118)
• The engine is overheating or the temperature gauge acts erratically
• Poor fuel economy
• The cooling fans run constantly or don’t turn on at all
• Hard starting, especially when the engine is cold

Safety First

Always prioritize safety when working under the hood. Make sure the engine is completely cool before touching anything related to the cooling system to avoid severe burns. Wear safety glasses, protective gloves, and stay alert throughout the process.

Need Help? Ask an Expert

I am an experienced mechanic, and I’m here to help you get your car back on the road. If you are dealing with a tricky breakdown or have questions about this fix, drop your questions in the comments below, and I will gladly help you troubleshoot your vehicle’s problem!