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Grill blocking = higher outside temp readings

Discussion in 'Gen 3 Prius Accessories and Modifications' started by WEB211, Apr 21, 2010.

  1. WEB211

    WEB211 Junior Member

    Joined:
    Apr 6, 2010
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    Location:
    Nicholasville, Kentucky
    Vehicle:
    2007 Prius
    Model:
    N/A
    I blocked 75% of my lower grill last night and the outside temp readings this morning showed a 9-10 degree difference from the weather application on my phone. (45 degrees vs. 55 degree reading from the car reading). The drive was county and city driving; 45-55 mph for 8 miles, traffic for 8 miles. It's no problem for me, but I guess it does show that it was warmer on the hood with the partial blocking. Any comments?
     
    #1 WEB211, Apr 21, 2010
  2. spiderman

    spiderman wretched

    Joined:
    Jul 5, 2009
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    Location:
    Alaska
    Vehicle:
    2010 Prius
    Model:
    II
    Yes. The sensor is just behind the lower grill, slightly off to the left. Without the air passing directly over it, it will register warmer at least for a while. With my 16 mile commute, it generally reads the same at the end.
     
    #2 spiderman, Apr 21, 2010
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