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Auto start the preheating a minute, the car life extended by one month

Because of the cold winter, parked a car late the next day when certainly not instant smooth running, cars need to warm up before the start, but how long is the best warm-up time:

when the water temperature to normal running  

a minute or so reduced to idle or engine tachometer  

drivers think the longer the warm-up time is good, is unnecessary. Some drivers waited until the water temperature the table pointer to the normal position, to dare to start their vehicles, in fact, is no longer necessary.  

first and foremost is that the car starts preheating is necessary. Just start the engine temperature is low, various parts of the oil are not in place, drive parts dry grinding and wear parts.  

Preheat time is not too long, judgement is: water temperature gauge needle has just started, or start the engine tachometer drop to idle state you can drive, take about a minute or so. Recommended driver starts 2 km before the first at low speed and normal speed.  

 

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