Nebublu Fuel Injector Tester and Adapter, Short-circuit Protection, DIY Cleaning Tool Kits, Fault Diagnosis Instrument

This instrument can help you diagnose injector problems and can be used to test injectors one by one or two at same time to help confirm sticking, leaking, damage or burnout conditions. Output power: 12V & 5V switchable, includes 2 pairs connector. It has 2 output voltage levels and 4 pulse signal output modes. Users can choose any one according to their needs. It uses 12V battery on vehicle or an external DC 12V (recommended at least 1.5A) power adapter as power supply to work continuously. Input short-circuit protection function. Mode helps identify good and bad injectors with engine off. This instrument can be used with any fuel pressure tester. Selectable activation modes: continuous, short medium and long switching outputs. output wire is made of silica , which has better high and low temperature characteristics.