HFS (R) NEW Fuel Injection Pump Injector Tester Pressure Test Gauge Gasoline Car Truck Test gasoline fuel pump pressure on most fuel injection equipped vehicle Gauge calibrated from 0 - 100 PSI (0-7 bar) Indicates if fuel pump is defective or inconsistent in pressure flow Includes assorted hoses, fittings and clamps to work on most vehicles Product instruction & blow molded case included