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Discussion Starter · #1 ·
So both fans are kicking on around 205-210 degrees. Is a single fan supposed to be kicking on around 190? I thought I saw somewhere where someone posted a 190 temp. Just replaced the fan temp switch and it’s still around the 205-210 mark. All relays seemed to test ok.
 

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Discussion Starter · #3 ·
I don’t know the actual number but 190 seems low. 205-210 is about right
I feel like 205-210 seems normal for fans to kick on but I have a buddy thinking that’s too high. I can’t find the cooling fan schematic anywhere.
 

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How are you monitoring engine coolant temperatures?

Those results correspond to our TSX also.
At idle on a hot day with AC off, the coolant temp will go to 205-210F before the rad fans kick on.
That's what the OEM fan switch/sensor is set at.
When you start driving down the road, the coolant temps will go 185-190F.

The OEM TSX thermostat is about 190F or so.

I am using a Scangauge (OBD connected scanner) to monitor engine coolant temps, voltage and intake air temps.
 

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Discussion Starter · #5 ·
How are you monitoring engine coolant temperatures?

Those results correspond to our TSX also.
At idle on a hot day with AC off, the coolant temp will go to 205-210F before the rad fans kick on.
That's what the OEM fan switch/sensor is set at.
When you start driving down the road, the coolant temps will go 185-190F.

The OEM TSX thermostat is about 190F or so.

I am using a Scangauge (OBD connected scanner) to monitor engine coolant temps, voltage and intake air temps.
I’m monitoring with a OBD wifi scanner. Good to know it’s the same with yours too then.
 
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