BTSHUB Auto Fuel Injector Cleaner Tool Kit Fuel Injector Tester Tool Universal Feature Non-dismantle fuel injector has anti-corrosion, anti-friction connectors for fast- connection and anti-friction oil tubes for all cleaning fluid. Fuel System Fuel Injector Cleaner Toolnot only has high and low pressure cleaning function, but also has the entire fuel system including throttle, fuel nozzle and combustion chamber. Note: 1. To the throttle style system, the way of connection is the same, just adjust the pressure of the air source 1-5PSI. Operate Carefully 2. Wear protective glasses before operation .observe the joint whether there is oil leak.if there is,please start to work after remove the fault.as a result of losses caused by human negligence, the user undertakes the responsibility.