10 年长安 S460 启动困难
<p style="box-sizing: border-box; margin: 3.9pt 1.15pt 0pt 1.35pt; font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 12pt; line-height: 1.15; color: rgb(0, 0, 0); outline: 0px !important;"><span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">故障现象：10</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">年长安</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">S460，公里数</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">13</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">万公里，发动机故障灯报警，启动困难，</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">不踩油门很难着火。</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: 1.3pt; margin-bottom: 0pt; margin-left: 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); outline: 0px !important;"><span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">检修过程：连接</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">431</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">解码仪读取故障码，有</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">4</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">个故障码，分别为</span><span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">爆震传感器对地</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">短路、碳罐电磁阀传感器对地短路、进气压力传感器对地短路、怠速步进电机对</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">地短路。清除故障码，然后重新读取故障，只有“进气压力传感器对地短路”了，</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">于是拔下进气压力传感器插头，再读取故障码，显示为：进气压力传感器信号电</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">压过高。</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: 1.3pt 3.3pt 0pt 1.2pt; font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 12pt; line-height: 1.15; color: rgb(0, 0, 0); outline: 0px !important;"><span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">此时基本可以断定进气压力传感器损坏，为了确保无误，对进气压力传感器的线</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">路进行电压测量，测量结果如下图：</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: 6.65pt; margin-bottom: 0pt; font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; line-height: 11.04; color: rgb(0, 0, 0); text-indent: 0.7pt; outline: 0px !important;"><span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;"><img alt="图片-10 年长安 S460 启动困难-蛙趣网" fetchpriority="high" decoding="async" width="553" height="147" class="wp-image-606 size-full" src="https://wapq.cn/wp-content/uploads/2025/03/20250305232035460-20250305232035954-IM-2-147h.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: 9.05pt; margin-bottom: 0pt; margin-left: 1.15pt; font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 12pt; line-height: 1.1; color: rgb(0, 0, 0); outline: 0px !important;"><span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">根据检测结果验证，确定进气压力传感器故障。</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-top: 1.35pt; margin-bottom: 0pt; margin-left: 1.35pt; font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 12pt; line-height: 1.1; color: rgb(0, 0, 0); outline: 0px !important;"><span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">故障排除：更换传感器问题解决，车辆启动正常，</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: 1.45pt 3.35pt 0pt 1.2pt; font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 12pt; line-height: 1.15; color: rgb(0, 0, 0); text-indent: 0.1pt; outline: 0px !important;"><span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">维修总结：因为进气压力传感器内部短路，引起和它共用一条信号</span><span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">线的传感器无</span> <span style="box-sizing: border-box; font-size: 10.5pt; outline: 0px !important;">法传输正确信号，造成喷油量过大，因此启动困难。</span></p><p></p>
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