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Where can I find the ambient air temperature sensor on a Ford Fiesta?
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In the Ford Fiesta, the ambient temperature sensor is situated in the driver's side foot area. When the vehicle faces extreme hot or cold conditions, the HVAC system must work harder to regulate the cabin temperature. Therefore, it is crucial for the system to be informed about the external temperature. The ambient temperature sensor's role is to gauge the vehicle's surrounding temperature, serving as a benchmark for the computer to carry out its functions. If the ambient temperature sensor malfunctions, the system lacks a reference point for its automatic adjustments, leading to a non-functional setting. An additional sign of a faulty ambient temperature sensor is irregular cooling performance.
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The ambient temperature sensor for the Ford Fiesta can be found on the driver's side floor area beneath the headlight housing.
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