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Discussion Starter #1
So my temperature gage gave up during the weekend. it would work for a bit then it goes back down to the bottom.

it doesn't seem to have a patten either. Sometimes, it would go back to normal in the middle of the highway, then sometimes it would work in the middle of waiting for a light change.

i checked my oil & water level and they are all fine. I am thinking maybe it's the aging of the senor that needs a replacement.

Can anybody tell me more about this? Or maybe the sensor's location so I can take a look at it.

Thank you guys.
 

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Temp sensor is plugged into the thermostat housing - where the top rad hose connects to the block on the exhaust side of the engine.

What year is your Supra? There are a couple different configurations for all the connections there.
 
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