故障现象
一辆2012年产上汽大众POLO 1.6轿车，搭载CPJ发动机，行驶里程11万km。用户反映该车后部有异响。
检查分析
维修人员试车发现，该车的异响是从右后部位发出的。贴近右后轮仔细听，像是燃油泵发出的声音。根据经验判断，燃油泵很快就要失效了，这会导致车辆无法行驶。
经用户同意后，更换了燃油泵。可是结果令人失望，响声丝毫没有减弱。用听诊器听，还是燃油泵的声音。恰好在这个时候有一辆同款车来做保养，对比燃油泵的声音，那辆车就小得多。仔细观察发现，那辆车的燃油滤清器与故障车的不一样，在进油口处没有一个圆形凸起（图3）。
图3 正常车的滤清器
查阅资料得知，燃油滤清器的凸起部分是内置式油压调节器（图4）。该车的油压调节器是在油轨上安装的，这样一来滤清器上的调压器便成了多余的。2个油压调节器互相影响，是导致异响的根本原因。
图4 两种滤清器的不同之处
故障排除
正确更换燃油滤清器，试车确认故障排除。
原创文章，作者：cesifu，如若转载，请注明出处：http://www.cesifu.com/article/23622.html
微信扫一扫 
支付宝扫一扫 相关推荐
-
交警提示：只买这4种车险就可以了，不要再给保险公司白白送钱了
现在很多有车的车主在购买了自己心爱的车辆后都会第一时间去选择购买车险，不买保险的话就没有办法帮汽车上牌，而对于很多新手司机来讲，就是恨不得将所有的车险都买下来，害怕没有买完全部，万…
-
吴亦凡/杰森·斯坦森助阵超跑赛麟之夜，竟然是卖“老年代步车”的？
赛麟尴尬之夜 Saleen Awkward Night 包场鸟巢的世界超跑， 竟然是来卖老年代步车的。 要说2019年最盛大的汽车发布会， 非上周六在鸟巢举办的赛麟汽车发布会莫属！…
-
新能源热已席卷欧洲，WEY_WEY,新能源,新能源汽车,设计,欧洲,能源,汽车展览,体育,概念车,法兰克福车展,时尚,原汁原味的德系SUV,法兰克福足球俱乐部
“ 相信关注汽车界的小伙伴们应该都知道，如今欧洲正在大力倡导和发展新能源汽车，就连德国总理都喊出了“2020年电动车保有量100万台”的口号。因此，即将开幕的法兰克福车…
-
轮胎这样保养，安全出行，平安到家！（干货）
我们的爱车，唯一与地面接触的部件是车辆的轮胎。四个轮胎是唯一一个与地面接触的部件，轮胎状态好不好直接影响爱车的行驶性能和操控性能。爱车的轮胎在平常也应做养护，作为一个车主，我们非常…
-
货车司机：休息就会丢油、丢货，不是不想睡是不敢睡
夏天到了，疲劳驾驶又开始频发，针对此现象，山西高速交警二支队特意购回一批北斗行车记录仪车载GPS检测打印系统。 对重点车辆卫星定位汽车行驶记录仪后台数据进行实时提取，通过对车辆行驶…
-
GeelyFY11正式命名为“星越”，以太空行星为名！
Geely FY11 叫做星越！ 今日 Geely 正式公布了 Geely FY11 的名称，它的中文名字叫做星越，这个名字是 Geely 天文小组和中国科学院发现的小型行星，而目…
-
注意车内污染 瓜子二手车：别被新车“异味”撂倒_二手车,瓜子,环境污染,香水,让梦发生,梦想改造家第六季
“ 由于很多装饰、装修材料都含有一定量的污染成分，因此房子在装修后都要晾晒半年左右才能入住，其实车子也不例外。别看车身没有多大，但里面的一些有毒有害气体对人体的伤害也是…
-
如果跑高速不能清积碳 那什么办法才可以？
很多用车类文章都会很明确地，仿佛是真理一般地告诉你，发动机有积碳了去跑一趟高速就可以。很多人在这些文章的鼓励下就真那么做了，最后发现，无论自己怎么跑高速，哪怕是压着限速跑，发动机积…
-
大众T-ROCR日内瓦车展全球首发
【车市百晓生】一直以来对于大众来说R是一个标志性的存在，随着全新的SUV车型T-ROC的推出，R部门也在紧锣密鼓的进行研发。 据悉，3月5日开幕的日内瓦车展上，大众将会公布T-RO…
评论列表（35条）
Genuinely impressed by The analysis. I was starting to think depth had gone out of style. Kudos for proving me wrong!
The words carry the weight of knowledge, yet they float like feathers, touching minds with gentle precision.
The writing style is captivating! I was engaged from start to finish.
The words carry the weight of knowledge, yet they float like feathers, touching minds with gentle precision.
Always excited to see The posts, like waiting for a message from a crush. Another excellent read!
The piece was both informative and thought-provoking, like a deep conversation that lingers into the night.
Reading The work is like gazing at a masterpiece; every detail contributes to a breathtaking whole.
This post is packed with insights I hadn’t considered before. Thanks for broadening my horizons.
I admire the way you tackled this hard to understand issue. Very enlightening!
A beacon of knowledge, or so I thought until I realized it’s just The shining confidence.
Tackled this hard to understand issue with elegance. I didn’t know we were at a ballet.
Making hard to understand topics accessible is a talent. It’s like you’re the translator of my heart’s unspoken questions.
Presented a hard to understand topic engagingly, like a magician pulling a rabbit out of a hat.
The Writing is a constant source of inspiration and knowledge, like a muse that never fails to inspire. Thank you for being my muse.
You navigate through topics with such grace, it’s like watching a dance. Care to teach me a few steps?
The passion is infectious, or maybe that’s just my enthusiasm trying to match Thes. Inspiring, nonetheless!
The knack for making hard to understand concepts readable is something I greatly admire.
The insights dazzled me more than a candlelit dinner. Thanks for lighting up my intellect.
The consistency and high quality of The content are something I really appreciate. Thank you for The dedication.
Each post you write is like a key that unlocks a little more of the world’s mystery.
The posts are like a cozy nook, inviting and comfortable, where I can immerse myself in thoughts.
Your work is truly inspirational. I appreciate the depth you bring to your topics.
I appreciate the balance and fairness in your writing. Great job!
Your blog is a constant source of inspiration and knowledge. Thank you!
A constant source of inspiration and knowledge, like a muse but less mythical.
Thoroughly insightful read, or so I thought until I realized it was The expertise shining through. Thanks for making me feel like a novice again!
Your blog is a go-to resource for me. Thanks for all the hard work!
Thank you for adding value to the conversation with your insights.
Your dedication to quality content is evident. Keep up the great work!
Your dedication to quality content is evident. Keep up the great work!
Such a well-researched piece! It’s evident how much effort you’ve put in.
Your work is truly inspirational. I appreciate the depth you bring to your topics.
Your creativity and intelligence shine through this post. Amazing job!
I’m so grateful for the information you’ve shared. It’s been incredibly enlightening!
This is one of the most comprehensive articles I’ve enjoy reading on this topic. Kudos!