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GingerScourge t1_ixtiv1c wrote

Reply to comment by [deleted] in ELI5: Why do you have to turn your car off when you fill up your tank? by logan0921

> In super cold conditions (and I mean like -40°) it's actually recommended to not stop the engine while refueling as the engine oil could freeze in that time and the car not be able to start again.

Can confirm. I lived in Fairbanks,AK for a couple years. And when the thermometer dropped below about -10F, I kept the engine running.

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BigChiefS4 t1_ixtm396 wrote

Confirm what, exactly? Engine oil does not freeze. It gets more viscous, but it doesn’t freeze. -10F is not that cold. It’s that cold most of January and February here in MN, and my Q5 TDI starts up every day.

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