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How does the cooling system work

Tiny
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195 isn't overheating thats about where most thermostats open. Which engine do you have the 2.4L or 2.7L engine?
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Sunday, October 25th, 2020 AT 12:30 PM
Tiny
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2.4 L 4 cyclinders. Actually I did a little experiment just now. I pulled sensor harness and plugged to my old sensor and put a light at the end of the. Since I have obd scanner I am watching temp while I am doing it the fans kick on 205 F. The problem is the indicator reached high on red at 199 F. And yesterday the we're kicked on at 170 F. I am really confused thinking to swap the sensor with new one again.
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Sunday, October 25th, 2020 AT 12:30 PM
Tiny
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205 is probably the low speed fan 177 is too cold to have the cooling fan come on.
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Sunday, October 25th, 2020 AT 12:30 PM
Tiny
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Iam sorry 170 is too low for the fan to come on.
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Sunday, October 25th, 2020 AT 12:30 PM
Tiny
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What does it mean then? Something electrical
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Sunday, October 25th, 2020 AT 12:30 PM
Tiny
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I found a sensor labeled water temperature but not sure if it's the gauge sensor. To me it sounds like the gauge is miss reading the actual temp if it doesn't match the new coolant temp sensor readings on your code reader.
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Sunday, October 25th, 2020 AT 12:30 PM
Tiny
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Which car is that? Anyway I swapped it with duralast couple of hours ago. Now even 195 F is fall under operating temps. But fans not coming on. It went to 205F at one point still no fan. But it's not fluctuating like before
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Sunday, October 25th, 2020 AT 12:30 PM
Tiny
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The fans are going to come on at like 210 on low then ramp up a little higher temp. Iam having trouble finding info on when the fans come on. That diagram is supposed to be your car.
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Sunday, October 25th, 2020 AT 12:30 PM
Tiny
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But my sensor is under the hood. Yeah even I have trouble finding info on temperatures but I saw other Hyundai car which is from India it turn on in between 96C to 100C
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Sunday, October 25th, 2020 AT 12:30 PM
Tiny
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100 Celsius is 212 fren which sounds about right
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Sunday, October 25th, 2020 AT 12:30 PM
Tiny
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Again 212 is almost red on my guage
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Sunday, October 25th, 2020 AT 12:30 PM
Tiny
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Take a picture of your gauge and post it please.212 isn't really that hot especially when most thermostats don't open till almost 200. That doesn't sound right that 212 is almost in the red.
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Sunday, October 25th, 2020 AT 12:30 PM
Tiny
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Sure I will. Now I am not driving
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Sunday, October 25th, 2020 AT 12:30 PM
Tiny
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Ok sounds good
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Sunday, October 25th, 2020 AT 12:30 PM
Tiny
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So I have been using my obd scanner as my temp gauge it's been 2 days since I have changed temp sensor. And temp is not going beyond 207 it went to 207 only once most of the time it reaches to 203 and
I saw the fans kicking on automatically at 207 F. Indicator acting up a little but not going all the high to H. Assuming new temp sensor fixed the problem somehow. Still not confident enough. I want to do for a week and see if it's really good. I may contact u later.
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Sunday, October 25th, 2020 AT 12:30 PM
Tiny
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Alright keep me posted
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Sunday, October 25th, 2020 AT 12:30 PM

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