2014 年东风小康双排小货车加油门熄火
<p style="box-sizing: border-box; margin-top: 0pt; margin-bottom: 0pt; font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; line-height: 1.29; color: rgb(0, 0, 0); outline: 0px !important;"><span style="box-sizing: border-box; outline: 0px !important; display: inline-block; height: 1em;"> </span><span style="box-sizing: border-box; font-size: 12pt; outline: 0px !important;">故障描述:故障车辆是报多个故障码，加油不起，无法正常行驶。故障码如</span></p><p style="box-sizing: border-box; margin-bottom: 20px; color: rgb(78, 83, 88); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; outline: 0px !important;"></p><p style="box-sizing: border-box; margin-bottom: 20px; color: rgb(78, 83, 88); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; outline: 0px !important;"></p><p style="box-sizing: border-box; margin-top: 1.3pt; margin-bottom: 0pt; margin-left: 2.35pt; font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; line-height: 1.11; color: rgb(0, 0, 0); outline: 0px !important;"><span style="box-sizing: border-box; font-size: 12pt; outline: 0px !important;">图下:</span></p><p style="box-sizing: border-box; margin-bottom: 20px; color: rgb(78, 83, 88); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; outline: 0px !important;"></p><p style="box-sizing: border-box; margin-top: 3.1pt; margin-bottom: 0pt; font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; line-height: 59.14; color: rgb(0, 0, 0); text-indent: 38.5pt; outline: 0px !important;"><span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;"><img alt="图片-2014 年东风小康双排小货车加油门熄火-蛙趣网" fetchpriority="high" decoding="async" width="453" height="789" class="wp-image-674 size-full" src="https://wapq.cn/wp-content/uploads/2025/03/20250305232647649-20250305232647868-IM-2.jpeg" imgbox-index="0" style="box-sizing: border-box; outline: 0px !important; height: auto; max-width: 100%; border: 0px; vertical-align: middle; max-height: 100%; display: block; margin: auto;"></span></p><p style="box-sizing: border-box; margin-bottom: 20px; color: rgb(78, 83, 88); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; outline: 0px !important;"></p><p style="box-sizing: border-box; margin-top: 2.45pt; margin-bottom: 0pt; margin-left: 1.45pt; font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 12pt; text-align: justify; line-height: 1.17; color: rgb(0, 0, 0); text-indent: 23.9pt; outline: 0px !important;"><span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">故障思路:因为该车是大力汽修学院助教在线指导，所以在某些细节无法正</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">常描述。如图所示我们观察故障码，故障指引都是</span><span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">对电源短路(电压高)，开路。</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">由此我们可以初步判断为线路故障或者</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">ECU 内部故障</span></p><p style="box-sizing: border-box; margin-bottom: 20px; color: rgb(78, 83, 88); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; outline: 0px !important;"></p><p style="box-sizing: border-box; margin: 1.35pt 3.05pt 0pt 1.2pt; font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 12pt; text-align: justify; line-height: 1.17; color: rgb(0, 0, 0); text-indent: 25.4pt; outline: 0px !important;"><span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">由此我们可以对此类故障做出诊断方向，可分为三种方面检测:1、可能是传</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">感器损坏导致故障现象。2、几个传感器存在公用电源，共用电源对地短路导致</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">故障。3、ECU 内部故障。</span></p><p style="box-sizing: border-box; margin-bottom: 20px; color: rgb(78, 83, 88); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; outline: 0px !important;"></p><p style="box-sizing: border-box; margin: 1.2pt 2.9pt 0pt 1.15pt; font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 12pt; text-align: justify; line-height: 1.19; color: rgb(0, 0, 0); text-indent: 24.15pt; outline: 0px !important;"><span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">故障排除过程：因为是在线指导，在指导过程中，修理工</span><span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">因为不愿意寻找资</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">料，再加上对我们指导的思路与过程保持怀疑，没按我们的指导去做，而是对此</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">故障车辆进行更换配件，更换的配件有:水温传感器、曲轴位置传感器、空气压</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">力传感器、电瓶，也拆了三元催化进行查看。经过两天的换件，故障还是无法解</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">决，然后又咨询我们大力汽修学院助教。因为考虑到已经更换过部分传感器，所</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">以我们直接排除了传感器的故障，考虑到了修理工对于线路图的认知还是存在于</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">基础状态，无法理解，所以直接让他顺着线束扒开线，直接寻找故障点，经过一</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">个多小时的排查，发现线路中间不存在短路、断路、 虚接</span><span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">等问题，排除了线束之</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">后，剩下的只有</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">ECU</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">了，然后让他直接把</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">ECU</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">拆解。</span></p><p style="box-sizing: border-box; margin-bottom: 20px; color: rgb(78, 83, 88); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; outline: 0px !important;"></p><p style="box-sizing: border-box; margin-top: 7.3pt; margin-bottom: 0pt; font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; line-height: 44.9; color: rgb(0, 0, 0); text-indent: 0.85pt; outline: 0px !important;"><img alt="图片-2014 年东风小康双排小货车加油门熄火-蛙趣网" decoding="async" width="262" height="598" class="wp-image-675 size-full" src="https://wapq.cn/wp-content/uploads/2025/03/20250305232649634-20250305232649429-IM-4-262w598h.jpeg" imgbox-index="1" style="box-sizing: border-box; outline: 0px !important; height: auto; max-width: 100%; border: 0px; vertical-align: middle; max-height: 100%; display: block; margin: auto;"><span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;"><img alt="图片-2014 年东风小康双排小货车加油门熄火-蛙趣网" decoding="async" width="268" height="599" class="wp-image-676 size-full" src="https://wapq.cn/wp-content/uploads/2025/03/20250305232650760-20250305232650223-IM-6-268w599h.jpeg" imgbox-index="2" style="box-sizing: border-box; outline: 0px !important; height: auto; max-width: 100%; border: 0px; vertical-align: middle; max-height: 100%; display: block; margin: auto;"></span></p><p style="box-sizing: border-box; margin-bottom: 20px; color: rgb(78, 83, 88); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; outline: 0px !important;"></p><p style="box-sizing: border-box; margin-top: 0pt; margin-bottom: 0pt; font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; line-height: 1.39; color: rgb(0, 0, 0); outline: 0px !important;"><span style="box-sizing: border-box; outline: 0px !important; display: inline-block; height: 1em;"></span></p><p style="box-sizing: border-box; margin-bottom: 20px; color: rgb(78, 83, 88); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; outline: 0px !important;"></p><p style="box-sizing: border-box; margin: 3.9pt 3.3pt 0pt 1.15pt; font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 12pt; text-align: justify; line-height: 1.18; color: rgb(0, 0, 0); text-indent: 24.05pt; outline: 0px !important;"><span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">经过对</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">ECU 内部检查发现，有烧蚀的迹象—终于确定故障点，但是为了百分</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">之百确定故障，我们又让修理工对烧蚀处进行接线，从而验证故</span><span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">障。</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">(焊接这一</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">块，由于修理工不会，所以我们让他直接拿板子到手机维修的地方修理)最后故</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">障排除。如图下是修理工的反馈:</span></p><p style="box-sizing: border-box; margin-bottom: 20px; color: rgb(78, 83, 88); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; outline: 0px !important;"></p><p style="box-sizing: border-box; margin-top: 2.05pt; margin-bottom: 0pt; font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; line-height: 42.6; color: rgb(0, 0, 0); text-indent: 45.65pt; outline: 0px !important;"><span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;"><img alt="图片-2014 年东风小康双排小货车加油门熄火-蛙趣网" decoding="async" width="436" height="568" class="wp-image-677 size-full" src="https://wapq.cn/wp-content/uploads/2025/03/20250305232651250-20250305232651603-IM-8-436w568h.jpeg" imgbox-index="3" style="box-sizing: border-box; outline: 0px !important; height: auto; max-width: 100%; border: 0px; vertical-align: middle; max-height: 100%; display: block; margin: auto;"></span></p><p style="box-sizing: border-box; margin-bottom: 20px; color: rgb(78, 83, 88); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; outline: 0px !important;"></p><p style="box-sizing: border-box; margin-top: 0pt; margin-bottom: 0pt; font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; line-height: 2.16; color: rgb(0, 0, 0); outline: 0px !important;"><span style="box-sizing: border-box; outline: 0px !important; display: inline-block; height: 1em;"></span></p><p style="box-sizing: border-box; margin-bottom: 20px; color: rgb(78, 83, 88); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; outline: 0px !important;"></p><p style="box-sizing: border-box; margin: 3.9pt 5.15pt 0pt 1.1pt; font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 12pt; line-height: 1.15; color: rgb(0, 0, 0); text-indent: 24.2pt; outline: 0px !important;"><span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">故障总结:由这个故障案例，我们总结出了</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">目前很多修理工存在的问题:1、</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">对于基础电路的认知不够。2、对于故障不去验证确</span><span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">是以更换配件为主。</span></p><p style="box-sizing: border-box; margin-bottom: 20px; color: rgb(78, 83, 88); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; outline: 0px !important;"></p><p style="box-sizing: border-box; margin-top: 1.25pt; margin-bottom: 0pt; margin-left: 1.15pt; font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 12pt; line-height: 1.18; color: rgb(0, 0, 0); text-indent: 24.15pt; outline: 0px !important;"><span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">关于这次指导，我们给出的思路是排除传感器，寻找</span><span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">各个传感器共性电源，</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">以此排查故障。但是修理工却走了很多弯路，</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">导致后期维修经过三天</span><span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">才能找到故</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">障点。所以再次建议各位修理工对于故障维修，我们第一步需要对故障进行解析，</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">观察故障是否存在共性，维修过程中如能找到维修手册电路图等资料，思路会更</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">加清晰，维修起来能事半功倍，。</span></p><p></p>
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