... engine ECU, also provides control signal of common rail system of Bosch, Denso, Delphi and Siemens ... /HP4 / DELPHI), drive the high pressure common rail injector to work. The user can set parameters according ... . Test the cranking iol quantity of common rail injector.10. Test the sealing of injector. ... 11. Ultrasonic cleaning of the common rail injector,12. Various language available, such as ...