![]() Once you’ve done this, remove the old sensor and install a new one in its place. To do this, you’ll need to drain some of the coolant from your radiator. If it’s defective, you’ll need to replace it. To test whether or not the CTS is working properly, you’ll need to check its resistance with a multimeter. This lets the ECU know when to activate the radiator fan, or if the engine needs to be shut down to avoid damage. The CTS measures the temperature of the coolant and sends a signal to the engine control unit (ECU). If your vehicle is overheating, or if the engine coolant temperature gauge is reading higher than normal, it’s possible that the coolant temperature sensor (CTS) is faulty. Do You Need to Drain Coolant to Change Coolant Temperature Sensor? Install the new sensor in the same location and reconnect the electrical connector to it. Be careful not to damage any surrounding components while doing so.Ĥ. Use a wrench to remove the sensor from its location. This will likely be a simple matter of unplugging it.ģ. Disconnect the electrical connector from the sensor. It is usually located on the engine block near the thermostat housing.Ģ. Advertisements How Do You Remove a Coolant Temperature Sensor?Īssuming you are talking about a standard coolant temperature sensor, the process is as follows:ġ. Your check engine light is illuminated and you’ve been told that the coolant sensor is to blame. You notice steam coming from under the hood of your car.Ĥ. The needle on your temperature gauge is sitting in the hot zone more often than usual.ģ. If your car is displaying any of the following signs, it may be time to replace your coolant temperature sensor:Ģ. What are the Signs of a Failing Coolant Temperature Sensor? The signal wire goes to the engine computer, which uses the information to adjust the fuel mixture and ignition timing. It is usually a two-wire sensor, with a signal and a ground wire. The coolant temperature sensor is located in the engine block, near the thermostat. AdvertisementsĬredit: Where is the Coolant Temp Sensor Located? In this case, it’s best to take your car to a mechanic so they can diagnose and fix the problem. If you notice that your engine is running hotter than usual or if the check engine light comes on, it could be a sign that there’s an issue with your coolant temperature sensor. This allows your engine to run at its optimal temperature, which protects it from overheating and damage. ![]() It helps regulate the flow of coolant through your engine by sensing the temperature of the coolant and sending a signal to the computer. The coolant temperature sensor is an important part of your vehicle’s cooling system. Once you find it, simply unplug the sensor and remove it from its location. It’s a small black sensor with two wires coming out of it. But don’t worry, we’re here to help! The coolant temperature sensor on your 2000 Ford Expedition is located near the thermostat housing on the engine. ![]() If you’re like most people, the thought of finding your car’s coolant temperature sensor may seem like a daunting task. 2000 Ford Expedition 5.4 Coolant Temperature Sensor Location The computer uses this information to regulate the amount of fuel that is injected into the engine. The coolant temperature sensor measures the temperature of the coolant and sends a signal to the computer. ![]() The water outlet housing is located on the side of the engine near the thermostat. The coolant temperature sensor on the 2002 Ford F-150 is located on the water outlet housing. 2002 Ford F150 5.4 Coolant Temp Sensor Location
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