Stop hurting your engine by 'warming up' the car when it's cold out

Business Insider
January 21, 2016

Harsh driving conditions in winter are already hard on your car, but you could be making things a lot worse if you're turning your vehicle on in the morning so it can 'warm up' before you drive off.

If you're one of the many drivers who thinks it's important to idle your car — turn it on and let it sit — in these frigid winter months to protect the engine, you've likely fallen victim to a myth that may be doing more harm than good.
We spoke with mechanical engineer and former drag-racer Stephen Ciatti about the pervasive myth that you need to warm up your car in the winter.

For the last 26 years, Ciatti has worked on combustion engines — engines that generate power from burning fuel, like gasoline — and currently oversees all of the combustion engine work at Argonne National Laboratory in Illinois.

To get straight to the point, Ciatti said that idling your car in the cold not only wastes fuel, but it's also stripping oil from critical components that help your engine run, namely the cylinders and pistons.

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