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The most common symptoms of a bad coolant temperature sensor include poor mileage, cooling fans not coming on, engine performance issues, an overheating engine, and a check engine light on your dashboard.
An engine coolant temperature sensor or ECT measures the temperature of the liquid coolant. A typical engine cooling temperature sensor is a Negative Temperature Coefficient (NTC) thermistor, which means its electrical resistance decreases when the temperature increases.
The engine coolant temperature (ECT) sensor measures the coolant temperature in the cooling system. You can usually find the ECT sensor near the thermostat in the cylinder head or thermostat housing, while a second sensor sits on a different part of the engine or radiator.
The engine coolant temperature sensor is especially vulnerable. Its failure can lead to severe issues. Let’s look at the common symptoms of a faulty coolant temp sensor, why it fails, and its typical replacement cost.
The Engine Coolant Temperature (ECT) sensor is a small yet critical component in a vehicle's cooling system. Its function is to monitor the engine's operating temperature.
Using an Ohmmeter. Locate the Sensor: Find the coolant temperature sensor on your engine. It’s typically near the thermostat housing. Disconnect the Sensor: Unplug the sensor’s electrical connector to ensure safety during testing. Set Up the Ohmmeter: Turn your multimeter to the ohms setting.
Well, it could be the Engine Coolant Temperature (ECT) sensor that’s causing these issues. In this article, we’ll cover what a coolant temperature sensor is, the main signs and causes of its failure, and how to diagnose and fix it. We’ll also answer a few FAQs related to the ECT sensor.
Engine Coolant Temperature Sensor (ECT) How To Replace, Your Engine Coolant Temperature Sensor (ECT), (Step By Step) 1. Park your vehicle in a safe place, where you can work easily and let the engine cool. Locate and slowly remove the cooling system pressure cap, to relieve the system of any residual pressure.
The Coolant Temperature Sensor (CTS) also known as the Engine Coolant Temperature (ECT) Sensor (ECTS) is a thermal resistor or thermistor used to measure the temperature of the engine’s coolant (antifreeze) and sends this information to the ECU.
Like all sensors on an engine, an engine coolant temperature sensor (CTS or ECT) is critical for a motor to run properly. This is a guide for testing and replacing a temperature sensor if it is bad. While every vehicle will have a different location for a sensor, the basic information below will be the same for almost any car or truck.