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Why does your 1990 cougar have two temp sensors?

Updated: 8/17/2019
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10y ago

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I'm not a mechanic / technician but one sensor would be for

the engine coolant temperature gauge in your dash and the other

sensor is for the OBD I / EEC IV emission control system

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10y ago
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Q: Why does your 1990 cougar have two temp sensors?
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