求翻译：检查过程：该车为公交车，运行约3000公里左右。根据故障码显示为“超出最大轨压”，经服务站检查电路均正常，拔出喷油器后外接起动看喷油状况，不喷油；更换高压油泵后发动机顺利起动。是什么意思？

Check-in process: the vehicle bus, running at about 3000 km or so. According to the fault code is displayed in the "exceeds the maximum rail voltage, the Kiosk check circuit is working, remove the injector is starting to look at oil injection, not fuel injection; change the high-pressure pump, engin