Quote:
Originally Posted by FireRanger
The scangauge is not reading outside air temp. It is showing you the intake air temp. The sensor is in the intake path up by the throttle body. It is only accurate while you are moving. Otherwise heat of the engine starts getting sucked into the intake. But as long as you are moving so there is ram air coming into the grill, it is a very accurate temperate sensor. I use it in the winter for the very reason you want it.
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I agree, it's not a true reading right off the bat, but once I get moving (I'm moving most of the time) The reading is true.