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Whats this plug?

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Old Mar 18, 2010 | 04:57 PM
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ty97206
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Whats this plug?
I was under my hood today because my top radiator hose is leaking and I saw this plug that is coming for the bottom of the radiator.. I dont know what it is.

Thanks for the help
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Old Mar 18, 2010 | 05:01 PM
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Coolant temp sensor?
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Old Mar 18, 2010 | 05:16 PM
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Im not sure... Im water temp on my dash dont work.. I was told that it was the gages. because that the volt and the oil pressure all dont work
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Old Mar 18, 2010 | 05:22 PM
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Its the #2 water temp sensor.
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Old Mar 18, 2010 | 06:38 PM
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humm so maybe i should plug it in... I found the wire that should to plug into it. I think. Its the same type of plug (but female) its ran right by the radiator
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Old Mar 18, 2010 | 06:46 PM
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Yeh, plug it in, see what happens. Maybe your gauge will suddenly work, or maybe you'll gain a bunch of horsepower...it's a surprise.
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Old Mar 18, 2010 | 11:53 PM
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From: https://www2.mazda.com/en/100th/
Originally Posted by Sgt Fox
Its the #2 water temp sensor.
on the gsl-se and the FC, mazda uses this sensor to basically turn the emissions system on
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