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Possible your engine is warming up? Kind of like a choke? Mine does the same thing, idles high for 1-2 minutes. Its also 47 degrees outside when I go to work....so....maybe?
Originally posted by james's f_1_fiddy01 1st thing in the morning it idles really high im wondering why...and after its set for a few hours...any ideas??
almost all cars have a cold fast idle. it was more prevalent back in the carburetion days, but even now most cars idle at 1200-1800 RPM on a cold start.