Coolant temperature switch12/14/2023 ![]() ![]() Pull the wire and set it in a place where it is out of the way. Pry off the clips with a flat screwdriver without breaking the tabs. If there are any problems with the wire you will need to replace it. Depending on how this is attached you will need to take care when removing it. The sensor sends its signals along a lone lead wire that is located at the top of the terminal. The sensor will have a terminal exposed with a single wire coming from it. You may need to remove the fan shroud in order to see into the space. Hold a drop light over the area and locate the sensor. However, the sensor is still located amongst the pulley system. This will vary on some cars where the pulleys are located on the side of the vehicle. The coolant temperature sensor is located on the front of the engine block. Step 2 - Locate Coolant Temperature Sensor Use the hood support to make sure that the hood is secure and will not fall on you when you let go of it. Next, put your hand in the gap under the center of the hood to feel for the latch. Sealed Anti-Static Protective Packaging ensures that electrical components are not damaged during shipping.On a newer car, locate the hood release beneath the steering wheel inside the car.Holstein Parts uses only the highest quality materials, manufactured to exacting standards to provide long-term function and performance.Holstein Parts Coolant Temperature Sensors offer superior coverage for domestic and import applications.What makes Holstein Parts Coolant Temp Sensors the Best? Signs of a coolant temperature sensor failure could include poor fuel economy, irregular temperature readings, an overheating engine, and /or your check engine light coming on. How to determine if a Coolant Temperature Sensor is failing? The sensor becoming corroded or poor electrical connection to the ECU If your car’s computer senses a problem with the signal your sensor is sending, it may trigger the check engine light. You may see your check engine light come on if your coolant temperature sensor is failing or has failed. Will a malfunctioning Coolant Temperature Sensor cause a check engine light? In most modern cars and vehicles, this is present behind the right cylinder head that is located right underneath the air intake pipe. The coolant temperature sensor will be located directly behind the coolant pipe. Where is the Coolant Temperature Sensor located? What does the Coolant Temperature Sensor do?Ī coolant temperature sensor is used to measure the temperature of the coolant/antifreeze mix in the cooling system, giving an indication of how much heat the engine is giving off. 3 Year / 36,000 Mile Warranty on all Holstein Parts Coolant Temp Sensors.Holstein Parts Coolant Temp Sensors offer superior coverage for domestic and import applications.Holstein Parts uses only the highest quality materials and engineering for parts that are truly built to match or exceed the OE part.The computer will also scale back engine performance settings if it detects that the engine temperature is too high in order to protect the engine from possible damage due to overheating.īecause temperature plays such a vital role in engine performance calculations, a problem with a coolant temp sensor can quickly translate into engine performance issues. This signal is then sent to the electronic control unit (ECU) so that changes can be made to the engine’s timing and air/fuel mixture for optimal performance, as engines require more fuel when they are cold and less fuel when they are fully warmed up. Most coolant temperature sensors operate using electrical resistance to measure the temperature of the coolant. The Coolant Temperature Sensor, also known as the coolant temperature switch, is an engine management system sensor used to monitor the engine coolant’s temperature. ![]()
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