烧瓦是发动机较为严重的事故，要避免烧瓦的发生，首先需弄清烧瓦的原因，在此基础上才能采取预防烧瓦的措施。　　(1)由于油底壳中的机油太少，润滑油牌号不对或冬季起动温度太低，机油粘度过大等原因，使机油泵泵油少，造成润滑不良而烧瓦。预防办法是：及时添加润滑油，保证 Burning tile is a serious engine accident, to avoid the occurrence of burning tile, we must first understand the reasons for burning tile, on the basis of this can be taken to prevent the burning of tile measures. (1) As too little oil in the oil pan, lubricating oil grades or winter starting temperature is too low, the oil viscosity is too large and other reasons, so that the oil pump less oil, resulting in poor lubrication and bush. Prevention is: timely addition of lubricants, guaranteed