Quote:
Originally Posted by chaungo
Depends where you live and how cold it gets.
If you only get minimal spells of -20C then go ahead and drive off.
If you get average temperatures of -20C+ then I would let it idle for about a minute of two until your car gets to normal idle. Oil is extremely thick when it's cold outside (JB4 read 15C for oil, water temps, and about 20ish for transmission.)
I once drove off right away in the morning when it was -25C all night and morning, and the car was VERY sluggish. I stopped doing so and let it warm up until normal idle rev (6-700RPM) and drove off and it was fine.
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Might want to invest in an engine block heater if the car sits outside under these conditions.
Idling when the car runs rich is terrible.