◎Tests gasoline fuel injection pressure ◎Set includes a pressure gauge,a hose,a hook (for hooking the gauge under the vehicle's hood),a package of extension rubber tubes and clamps,and 34 types of fuel valves with various sizes ◎Ideal for testing BOSCH CIS,GM TBI and other systems ◎Suitable for American,Asian and European cars ◎This set CAN NOT be used on diesel engines