thermostat sensor check engine light

Engine Coolant Temperature Sensor: I Need to Replace the ...

The check engine light has come on and the computer at Auto Zone suggests the engine coolant temperature sensor needs to be replaced. The computer also suggested the thermostat could be bad, but I do not think so. The coolant level is okay. The car is not overheating or running too cold. No trouble starting when cold. The temperature gauge in the dash is right in the middle of the range, where ...

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How Can You Tell If Your Engine Coolant Temperature Sensor ...

20/07/2020· Check Engine Light . Another symptom that is easy to see in your car from either the driver or the passengers is that the illuminated check engine light will appear on your dash, showing how you can tell if your engine coolant temperature sensor is bad. For some types of cars, depending on the make, model, and year, the computer can turn off a ...

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P0128: Coolant Thermostat Temperature Below Regulating ...

When your check engine light is illuminated due to trouble code P0128, you may have an issue with your engine thermostat. Here are some helpful steps to take to find out how do I fix trouble code P0128? Learn how to solve this trouble code and repair your thermostat. Decode Your Check Engine Light. OBD Readers & Scan Tools. What Is Trouble Code P0128? This generic trouble code can affect most ...

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Engine Coolant Thermostat?: the Check Engine Light Turn on ...

The check engine light turn on and when I try to start the car it turn on but at the moment it turn off that was like 3 times after that, it satrt normally. I went to Advance and they did an electrical test and the answer was that the engine cooling temperature was bellow the normal temperature and that I need the engine coolant thermostat sensor, but the problem is that when I bought the car ...

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Thermostat Rationality - OBDII Codes Engine Light ...

14/06/2015· Leaking or stuck open thermostat Low engine coolant level Insufficient warm up time Faulty engine coolant temperature sensor Engine coolant temperature sensor harness is open or shorted Engine coolant temperature sensor circuit poor electrical connection | How do I fix code P0128 JEEP? Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check ...

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I have a engine check light for p0128 thermostat ...

I have a engine check light for p0128 thermostat rationality test, along with my serv 4x4 and traction control light. Mechanic's Assistant: Does the light stay on, or does it blink? The engine light is constant, the serv 4x4 and traction control comes off and on. Mechanic's Assistant: What is the model/year of your Dodge? I already replaced the front right sensor to the hub 2012 dodge 1500 slt ...

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Engine coolant temperature sensor: how it works, symptoms ...

18/07/2021· Many Check Engine light codes related to the ECT sensor could also be caused by other reasons, such as a bad thermostat or issues with the cooling system, including even a leaking head gasket. The problem must be properly diagnosed. Of course, considering that the ECT sensor is not an expensive part, it's often recommended to be replaced if suspected to be malfunctioning. Ways to test …

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Coolant Thermostat Malfunction - OBD2-OBDII Engine Light ...

The thermostat is a component that blocks the flow of coolant to the radiator until the engine has warmed up. When the engine is cold, no coolant flows through the engine. Once the engine reaches its operating temperature, the thermostat opens. The OBDII sets when the engine coolant temperature has not risen enough to open the thermostat even though the engine has run long enough. This is due ...

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Check Engine Light on again after thermostat replacement....

25/01/2016· If the check engine light is coming on and a code like P1217 is in the computer then the computer is seeing an overheat conditions from the coolant sensor telling it your engine is overheating. This can be caused by a defective coolant sensor, radiator partly clogged, fans not working, thermostat or internal engine head problems.

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Engine Code p0128 Meaning, Causes, Fixes (5 Steps ...

The first natural procedure when a cooling system code is set off is to check the coolant level and quality. Shining a flashlight onto the coolant reservoir helps to accurately inspect the coolant. If the coolant is low, fill it back up and reset the check engine light. Drive the vehicle to see if the check engine light comes back on.

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Volkswagen Check Engine Light ON - YOUCANIC

22/01/2021· The Check Engine Light on your Volkswagen (Jetta, Passat, Golf, Tiguan, etc.) can come on for many reasons, including defective mass airflow sensor, bad thermostat, engine temperature sensor, short in main wire harness, vacuum leak, worn spark plugs and failed ignition coils. Let's take a look at some of the most common problems that cause VW check engine light to come on. Gas Cap. …

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Code P0128 - Coolant Temperature Below Thermostat ...

31/07/2021· The code P0128 - Coolant Temperature Below Thermostat Regulating Temperature means that the engine does not reach expected temperature after running for sufficient time, or in other words, it takes too long to warm up. Often this code causes the Check Engine light to come on and off in cold temperatures. Symptoms: With the code P0128 there could be no symptoms at all, or any of the …

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How Does an Engine Coolant Temperature Sensor Work? - …

Generally speaking, if your sensor is not working, it will send a signal to the computer and your Check Engine light will be illuminated. If you see the Check Engine sign light up, take your car in for professional servicing right away. Replacing the Car Temperature Sensor . The sensor will eventually need to be replaced altogether after time.

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