Mode 1 (Single Pulse Low Power Mode) and Mode 5 (Single Pulse High Power Mode): the fuel injector tester will send out a pulse with a pulse width of about 255 milliseconds. Mode 4 (Continuous Pulse Low Power Mode) and Mode 8 (Continuous Pulse High Power Mode): the fuel injector tester will output pulses continuously, the pulse rate is about 50 pulses every 1450 milliseconds, and the pulse width is about 7 milliseconds.
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