Actuator tester for fuel injector, QDB 2A 12-24V fault detection tool1、Function: Professional detection of various ignition coils, fuel injectors, solenoid valves, stepper motors and other faults. 2、Features: The detector can drive test a variety of actuators, also simulate duty cycle type sensors, used to detect whether the actuator failure or line or ECU computer failure. 3、Safe Protection: With reverse connection protection and over current protection, automatic cut off when the current is too large. 4、Performance: Support test idle stepper motor, instrument stepper motor, headlight range stepper motor, etc., convenient and practical. 5、Advantages: The detector is a high performance accessory that can help you upgrade your car better and improve the efficiency of diagnosing car troubles.