Quote:
Originally Posted by BehindSpace
battery does not charge at idle and it does not heat up the oil it only heats up the water a little bit so ideling is hurting the engine, you are also poisoning yourself with carbon monoxide, dont do it anymore please
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Additionally, when as the engine cools, condensation forms in the crankcase. If the car isn't going to be driven in the winter, it should just sit with a Battery Tender on it. Intermittently starting it doesn't help anything and causes more harm than good. In fact, it doesn't do
any good.