In this video, you will learn 5 symptoms of a bad or failing engine coolant temperature sensor (ECT sensor). Watching this video will help you diagnose to see if it's time to replace your engine coolant temp sensor (ECT Sensor). This video will also help you understand how an ECT sensor works and its purpose. You will also learn the location of the engine coolant temp sensor (ECT sensor). Symptoms you might be experiencing are an overheating engine, P0115, P0116, P0117, P0118, P0119 codes, reduced engine power, poor mpg, or black smoke coming from the tailpipe. Thank you for watching! OBD2 Scanner: https://amzn.to/4jdzrUc Check out AllDatadiy repair manuals: https://www.gopjn.com/t/SENKTklLS01DS... Use code AD10VA for 15% off one-year subscriptions for any US Order Have car-related questions? Check out JustAnswer! They have verified auto mechanics that are available as live help 24/7: https://justanswer.9pctbx.net/qnj74y Here are some of my favorite items that you might like: Diagnostics • 12V Battery Tester – https://amzn.to/3RylaoZ • Multimeter – https://amzn.to/4c8A52M Tool Kit • Tool Set – https://amzn.to/3xNDb8g Maintenance • Headlight Restoration Kit – https://amzn.to/3qDpOVH Emergency • Amp Jump Starter – https://amzn.to/3pMd0vx Search terms and questions you might be thinking related to a bad ECT: Engine coolant temperature sensor Coolant temperature sensor location Coolant temperature sensor symptoms Bad ect Ect sensor symptoms How does an act sensor work Coolant temperature sensor Overheating engine Temperature sensor Coolant sensor How to test a coolant sensor P0115 P0116 P0117 P0118 P0119 Coolant temperature sensor testing Temperature sensor failed Fan not turning on Temperature sensor explained #enginecoolanttemperaturesensor #ectsensor #ect #ectsensorsymptoms ⚠ DISCLAIMER: Any information provided in this video is intended to educate the viewer on how to repair cars. EasyAutoFix shall not be liable under any circumstances in case of any injury, damage, or other accident. By watching this video, you agree to comply with the disclaimer. Some links provided in this video may be affiliate links, meaning that EasyAutoFix earns money from qualifying purchases. 0:00 Introduction 0:11 PURPOSE 0:41 ENGINE LIGHT 0:58 OVERHEATING 1:24 POOR MPG 2:05 BLACK SMOKE 2:15 5. REDUCED POWER