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Where is coolant temperature sensor on Mazda 3?

Anonymous

∙ 13y ago

Updated: 10/21/2022

First, you need to pin down which sensor you're talking about: the one used by the dashboard, or the one used by the computer.

One of them is on the thermostat. I'm not sure which of the two it is. But you can find the thermostat by following the big hoses from the radiator, and then look for an electrical plug... this drawing shows what it looks like on one of the engines:

http://c.fixya.net/fixya20/uploads/Images/asetech74_23.gif

The other one may be screwed into the upper part of the radiator, I'm not sure. It may be that one which drives the dashboard indicator.

Wiki User

∙ 13y ago

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