I would think it's a thermistor ... but ... what it actually is may be covered in one of these threads ...
- AMBIENT TEMPERATURE SENSOR BREAKS OFF: low mounted ambient temperature sensors in the passenger side front wheel well cover is practically designed to be ripped off on a parking curb (1) (2) (3) (4) (5)
The reason I ask is that thermistors are available in single lot quantities for about $2, and as low as 0.60 in bulk. If we can figure out the actual specifications of the component, we can really save some serious cash when replacing them.
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