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95 Buick, funny little sensor on air filter box?

3 Answers

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  • ?
    Lv 6
    7 years ago
    Favorite Answer

    It's really the Intake Air Temperature sensor (IAT) It's used by the the computer to calculate proper fuel pulse.

  • 7 years ago

    It's called the ambient temperature sensor. If the outside temperature is displayed on your dash it does not need to be replaced. The above non-mechanic doesn't have a clue.

  • Anonymous
    7 years ago

    this is to tell you the air filter needs to be changed

    Source(s): service & repair 30 years
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