... diesel engine ECU,also provides control signal of common rail system of Caterpillar,Bosch,Denso,Delphi and Siemens etc.(the CP1,CP3, ... ,HP4,DELPHI),drive the high pressure common rail injector to work.The user can set parameters according to their actual situation,and ... of testing injector5.Pulse and frequency of the injector drive signal can be adjusted6.Test the oil quantity of common rail injector7 ...