Four in one function Non-Dismantle flushing in oil supply system Non-Dismantle flushing in air entering manifold Fuel pressure testingVacuum testingClean impurity such as carbon inside the engineReduce the emission of waste gas such as CO2Keep the inside of engine clean and make the engine work normally Drving force DC 12V (Electric)Pressure 0-120PSIWeight 40kgMeasure 500*350*1100Scope Small ...