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Can the Water Temperature Rise by Idling to Warm Up the Car?

1 Answers
DiCameron
08/27/25 5:14am
Idling to warm up the car can raise the water temperature. The method for warming up the car in winter is: after starting the vehicle, let it idle for 2 to 3 minutes to allow the engine water temperature to reach the normal operating temperature before driving. The harm of not warming up the car includes: causing engine wear, as the engine oil settles at the bottom when the car is cold, leaving the engine internals in a state of dry friction. The purposes of warming up the car are: 1. After prolonged parking, the engine oil flows back into the oil pan, leaving the upper part lacking lubrication—warming up helps lubricate; 2. When the engine hasn't reached its operating temperature, the fuel system cannot effectively vaporize gasoline completely due to low temperatures—warming up improves efficiency; 3. It helps distribute transmission gear oil to lubricate the upper part of the transmission.
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