Should You Warm up Your Engine by Letting Your Car Idle in the Winter?

I called half a dozen mechanics across half a dozen states and got recommendations that ranged from 0 seconds to 10 minutes.

Do you need to warm up your vehicles engine in the winter?

What RPM Should a Car Idle at? And Does it Matter?

Start your engine, but don't idle too long

Are you breaking the law if you warm up your car in your state

Reasons Your Car Is Hard To Start After Sitting, car starting

Winter Is Back, but Don't Idle Your Car

Should You Warm Up Your Car Before Driving?

Do You Need to Warm Up Your Car Before Driving?

Should You Warm Up Your Car in Winter?