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So up here in North Dakota it's hovering around the -25 mark w/o windchill (~-50 with). I figured it would be a good idea to let the car warm up today to be safe. It barely turned over and when it did there was a distinct smell of raw gas, which has happened before when it's very cold out. It is also idling very rough though, with an odd noise coming from what sounds like the serpentine belt... Here is a video: