Return fuel by manual operation, reliable quality Built in powerful ultrasonic cleaner,return fuel by solenoid valve Test the injecting state of six injector at same time RPM:0-9950r/min. Step:50r/min Pulse width:0-20ms Step:0.1ms Count/time:0-995/time. Step:50 time/5s. System pressure:0-5.0kg/cm2 |