前言：了解汽车知识，让每一位车主维修保养不花冤枉钱。
最近，天气炎热胖哥有点抗不住了，小排量车型开空调那真叫一个肉。这辆2010年的1.5L二手中华CROSS到胖哥手也5个多月时间，跑了近一万公里。车子该修的全都修了，全车无异响，底盘美滋滋，地板油加速松开方向盘不带跑偏。
因为是二手车胖哥也不知道原车主是什么时候换的火花塞，车子目前发动机怠速等工况都一切正常，按理说不用检查保养。但胖哥表示不答应，必须要把火花塞拆下来清洗保养一下，让大家更直观的看看效果。
火花塞保养步骤：
早上8点上班，胖哥先拆下四个火花塞。
其中一缸火花塞电极间隙比较小，其他三个还行。
火花塞侧电极和中心电极颜色正常说明发动机燃烧工况好，螺丝口内侧有大量积碳。
备料500g草酸一瓶，价格很便宜，大家可以去卖化工材料店购买，草酸清洗火花塞积碳、三元催化器积碳、包括清洗马桶效果一级棒。
打开看着有点像我们吃的食用盐。
准备一次性纸杯一个，然后用温水融化草酸，不用太多淹没火花塞螺丝口即可。
中午12点胖哥拿出火花塞检查，发现积碳开始脱落。
螺丝口开始发亮，目测效果还不错。
杯子底部有脱落的积碳。
放进去继续浸泡。
下午4点拿出火花塞，杯底积碳比中午还要多。
然后用抹布擦干净火花塞上面的积碳，再用气枪吹干。
大家看看效果怎么样，是不是和新的一样。
侧电极也闪闪发亮，说明胖哥这次清洗很成功。
装车测试：怠速平稳度没有变化，车辆提速比以前轻盈了一丢丢，油耗估计也会降低一点点。
胖哥总结：现在普通火花塞四个差不多100元就能搞定，有没有清洗价值完全在于个人的理解。胖哥是一个物尽其用，不主张浪费的人。在后台网友私信胖哥说，为什么对中华这破车这么感兴趣。那是因为当年咱还是穷小子一个，中了三厢骏捷和尊驰的毒。目前开中华车，用中华牙膏已实现，抽中华烟还会经常断货。
欢迎大家咨询车辆维修二手车问题，胖哥会在第一时间回复大家。喜欢的朋友可以点关注，后期有更多用车知识和大家分享。
原创文章，作者：cesifu，如若转载，请注明出处：http://www.cesifu.com/article/35454.html
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