Shop for New Auto Parts at 1AAuto.com http://1aau.to/c/97/z/coolant-temperature-sensorThis video shows you how to install a coolant temperature sensor on you Reconnect the wiring connector. Make sure all the coolant plugs are secure. Add coolant and place the cap back on the reservoir. Lower your car. Start the engine. Wait to see if the temperature LT1 Coolant Temp Sensor Symptoms Explained; By Sensor Guides. sensor guides Diagnosing and Fixing a Bad Coolant Temp Sensor. If you suspect your CTS is acting up, it鈥檚 time to roll up your sleeves and diagnose the issue. Here鈥檚 what you can do: Mechanic Magic: Seek the help of a skilled mechanic. They鈥檒l whip out their diagnostic tools to J. jake111. 420 posts 路 Joined 2016. #3 路 Jun 24, 2019. (I can't edit, so I'll add here) It seems likely that either the coolant level sensor is bad, or the connector is bad, or the connection is bad, or the wire got damaged while you were working on it. You should be able to test the sensor with a VOM, and the wiring, but sorry, I haven't All you need to do is turn your car on, let it run for a minute, unscrew your radiator cap, and check to see what is happening. If the thermostat opens before the engine is warm, you will see coolant flowing to the radiator before the coolant temperature rises to appropriate levels. To check if it is stuck closed, let the engine run longer Carefully disconnect the electrical connector that is attached to the coolant temp sensor. This will interrupt the sensor鈥檚 connection to the car鈥檚 electrical system. 4. Wait for a few minutes. Allow a few minutes for any residual electrical charges to dissipate and to clear temporary data stored in the car鈥檚 system. Easiest way to check it all is using a scanner. That will tell you if a sensor isnt reporting the right value. And yes you will get a hard start if the sensor is reporting the wrong or a bizarre temp. When a wire broke on another car of mine, the reported temp was -48! It was really around 70. Whenever the sensor fails it defaults to a very low temperature reading so the gauge thinks that the coolant temperatures are a lot lower than they actually are. The engine computer also triggers those fans to run whenever a circuit issue with the sensor is detected so I expect for you to need to replace the sensor here. The most common sign of a bad knock sensor is an illuminated check engine light. When the PCM detects a problem with the knock sensor or its circuit, the module will turn on the check engine light and store a corresponding diagnostic trouble code (DTC) in its memory. Pinging Noise From the Engine. 1643 posts 路 Joined 2019. #2 路 Sep 3, 2021. There are two part numbers, the sensors are different but look similar. radiator sensor. More Information for GM GENUINE 2134688. engine sensor. More Information for GM GENUINE 55591401. Both locations need the correct sensor. 2015 Cruze 1.4L AT. Some of the most common symptoms of a bad thermostat are no heat, a spiked temp gauge, a blown head gasket, and more. A thermostat failure can only happen in two ways. The thermostat stays in the closed position and won鈥檛 let coolant through when the engine reaches operating temperature. Or, the thermostat will stay open, and the coolant will Coolant Sensor Bad indicates that the Coolant Level Indicator in the coolant reservoir is bad. In this case the level indicator is working but the solder co The thermostat in your Honda Civic's engine plays a crucial role in regulating its temperature. A malfunctioning thermostat may lead to various issues and should be dealt with immediately. Some of the most common symptoms of a bad thermostat are no heat, a spiked temp gauge, a blown head gasket, and more. A thermostat failure. Whoa, hey sorry I miss read. I don't think housing has to be removed for the coolant temp sensor, my bad. Apologies. I have my old one sitting in garage, sensor is a thermocouple right down into the housing but it would be very out of sorts to have it pull the housing to change the sensor. I will dble check what Im saying, sorry bout that again. 1018 posts 路 Joined 2012. #3 路 Oct 20, 2020. The temp sensor for which there is three of them in there. outside air temp. coolant temp sensor, And the thermostat which is a sensor in itself. And tends to go out if not replaced with a official mini cooper Thermostat housing which the thermostat is embedded into by the factory. .
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    • how do you know coolant temp sensor is bad