Should you let your car warm up after starting it?
Should you let your car warm up after starting it? Like many misconceptions, the idea behind winter car idling begins with a kernel of truth. Auto experts today say that you should warm up the car no more than 30 seconds before you start driving in winter. "The engine will warm up faster being driven," the EPA and DOE explain. Why is it bad to warm up your car in cold weather? By letting your car sit to warm up, it's actually putting extra fuel into the combustion chamber, which can get onto your cylinder walls. Because gasoline is an...