I drive a Ford, which means I have to wait until it warms the cats up (gets off of high idle).
On a -20F day, trying to shift a manual transmission with molasses in it connected to an engine that refuses to idle below 2,000 RPM makes for some interesting situations.
I love Ford and their stupid high cold idle.
I am lucky that for the last 2 years I've been able to live on top of a hill (the last one was larger) and usually while it's racing at 2000RPM, I can coast to the interstate on-ramp. Usually by then, it's calmed down to the point that it is reasonable to drive
My Jeep doesn't have high idle ... or doesn't rev up to 2000 RPM like the fords do. I usually let it run for a minute to get the oil flowing around (it's a flat tappet cam engine). Then I just drive easy.
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