Do modern cars still need to be warmed up?
1 Answers
Modern cars still need to be warmed up. Here are the relevant explanations: 1. Damage caused by not warming up: Engine wear occurs because when the engine is cold, the oil settles at the bottom, leaving the engine internals in a state of dry friction. 2. Method for warming up: After starting the vehicle, let it idle for 1 to 2 minutes to allow the engine coolant to reach normal temperature before driving. 3. Purpose of warming up: After a car has been parked for a long time, the engine oil flows back into the oil pan, leaving the upper parts without proper lubrication. Warming up helps lubricate these parts. When the engine hasn't reached its operating temperature, the fuel injection system cannot effectively vaporize gasoline completely due to the low temperature. Warming up can effectively improve work efficiency.