求翻译：检查过程；该车行驶了1700公里，在更换柴油细滤芯及预滤总成，排查过进回燃油路，在正常了15公里之后又出现了故障，经过我厂驻外服务人员检查，发现故障码为P7100E及C9 B2 62 155的乱码，共轨轨压阀有大量回油，更换共轨后行驶30余公里后再次出现同样的故障并增加了P1093的故障码，重点检查电路，轨压传感器电源2.13，地线2.12的电压测得为0.26V，信号线电压2.14为4.76V【已超出0.5—4.5范围】，油门踏板1电源线1。77无电压，更换ECU做是什么意思？

Inspection process; vehicle is 1700 km, and malfunction in the fuel to replace the fuel fine filter and pre-filter assembly, the investigation over into the back road, in the normal 15 km, after I plant the diplomatic service personnel to check, found fault code p7100e and c9 b2 62 155 gibberish Com

Check process; the car driving has 1700 km, in replaced diesel fine filter and the pre-filter Assembly, troubleshooting had into back fuel road, in normal has 15 km zhihou also appears has fault, after I factory diplomatic service personnel check, found fault code for P710