& 新速腾燃油调整气缸列1系统过浓
新速腾燃油调整气缸列1系统过浓
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烧异常的状况。失火性故障码，在通用的冻结数据帧里面可以看到失火的单一气缸故障数据，同时系统有存储相关气缸的故障码----失火导致的不是浓，而是混合气稀。真空泄露产生的问题与单缸失火故障相同的结果。所以也排除真空泄露方面的原因。空气流量计这样的负荷信号传感器出现问题影响的又不仅仅是一侧列气缸工作，而是所以的。所以也被排除掉。火花塞、喷油器故障又属于失火性故障，与前面说的故障表象一致，排除了。唯一能够确定影响单侧气缸混合气浓度的似乎就是氧传感器了，对了，就是他。检测故障列氧传感器信号。同时查看故障码产生时的冻结数据帧时 的氧传感器信号，基本可以分析出原因。
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燃油表归零，自己动手清洗燃油传感器
财产: 31322 爱卡币
来自: 江苏省|无锡市
燃油表归零，自己动手清洗燃油传感器
9月9日早上开车上班，发现大屏没有了剩余燃油可开公里数，仔细一看，燃油表本因该显示在满油的3/4位置，现在显示油量为0，心知燃油传感器不良了。一天下来，油表有时显示正常，有时不正常。
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5053检测，显示油量传感器间歇短路或开路，机械故障。
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本想过段时间再说，但没油抛在路上很讨厌，正好有3天中秋假自己弄弄。
9月10日上午正式开工。注意通风禁止烟火。拆后座，掀起盖头。
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[ 本帖最后由 tntabc 于
14:46 编辑 ]
[每日热点]:
财产: 31322 爱卡币
来自: 江苏省|无锡市
撬开密封圈
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拔下和传感器插头
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清除周围厚厚一层尘土，注意红框内两个三角形箭头，表示密封应该紧固的位置
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拔下燃油输入输出管路，用食品保鲜袋包好两个燃油输入输出插头，防止灰尘。
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榔头弄下油泵密封紧固圈，燃油有浮力，紧固圈一拿下，燃油泵装置就浮起来了，背面还有一圈密封圈，通过紧固圈防止汽油挥发
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[ 本帖最后由 tntabc 于
11:08 编辑 ]
[每日热点]:
财产: 31322 爱卡币
来自: 江苏省|无锡市
燃油泵装置有两个部分，一个是燃油泵，另一个就是燃油传感器，一个浮子带动一个滑线可变电阻，与摩托车的差不多。
拆下的燃油泵装置滑线电阻上有两圈黑线。
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卸下滑线电阻基板
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[ 本帖最后由 tntabc 于
14:33 编辑 ]
[每日热点]:
财产: 31322 爱卡币
来自: 江苏省|无锡市
用汽油和800号砂皮纸清洗触点和基板，装回
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[每日热点]:
财产: 31322 爱卡币
来自: 江苏省|无锡市
逆序原样装好不表，要注意汽油密封圈一定要弄好，不然容易溢油挥发，车内有还不安全。
5053清除故障码，故障码未重现。
两天，油表显示没问题，车内也没汽油味。
不全之处，可参看另一TX帖子，
[ 本帖最后由 tntabc 于
19:04 编辑 ]
[每日热点]:
极速腾龙1.6MT
财产: 2858 爱卡币
来自: 广东省|佛山市
楼主动手能力真强
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[每日热点]:
爱车：暂无
财产: 15490 爱卡币
来自: 福建省|龙岩市
[每日热点]:
财产: 2214 爱卡币
来自: 重庆市|重庆市
请教楼主：1.4手动速腾在油箱报警时陡坡起步，很陡，会不会供不上油？导致溜车？
[每日热点]:
财产: 16670 爱卡币
来自: 海外|亚洲
[每日热点]:
ＢＧ１ＬＬ
财产: 14001 爱卡币
来自: 北京市|北京市
楼主厉害。。。高手
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