Quote:
Originally Posted by kdst5
I think Clan covered this some when and that it was better overall for the entire engine not to let it idle when cold.
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All engines warm up quicker under load
You only need to ensure the oil pressure has come up to normal pressure before you drive away.
Of course, taking it easy until the engine is warm is always a good idea
And, if you have a diesel preheater (I do), running it when it is less than around 10 deg C outside always helps the engine warm up faster.
In cold weather, especially in sub-zero temperatures, it makes a huge difference in engine warmup time and also cabin warmup time 
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XC90 R-Design MY2009, Black Sapphire Metallic. HP-Sound, RSE, Nav, Tel, ParkingCam, BLIS, ParkingHeater, RestHeat, Removable Towbar, Summer: CRATUS 20x8 on Pirelli Scorpion Zeros 255/45, Winter: NEPTUNE 17x7 on Continental WinterContact 4x4 235/65.
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