你好，很高兴为您解答，根据您提供的文字信息，仪表上报spn5571 fmi0的故障代码为3741故障代码，该故障代码解释为“油轨泄压，已限扭”请根据该故障代码的解释对比，是否在出现该故障时，发动机会有无力的现象，如果有的话，建议您尽快到服务站对燃油系统进行维修检查，以免影响到您的发动机和您的行程，...
表示柴油机排气处理液喷射单元检测到柴油机排气处理液回流液流中阻塞。
This spn fmi codes help explain the underlying meaning of the numerical components which build an engine fault code. - This is not a comprehensive list, or an alternative to the standard fault diagnostic process and only serves as a supplemental reference. - For a complete reference see SAE ...