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燃油车为了符合越发严格得政府排放和耗油标准法规,车厂动了不少歪脑筋。活塞环张力比以前差,容易被积碳堵住,如果缸内直喷,更完蛋,积碳比以前严重好几倍,还要,可变正时系统如VVT-i,还有正时链条张紧器,需要极其干净的机油驱动,一点点脏东西都会造成严重故障和磨损,至少是严重烧机油
厂家的一年一次一万公里换机油,纯粹就是让你不断换新车。正确的做法是应该5000公里或3个月换全合成机油和原厂机滤