FSE Power Boost Valve PBV38835Ford Escort Mk5 1.6 Litre 8v CVH 1990-1992HOW DOES THE POWER BOOST VALVE WORK? The Power Boost Valve is a high performance tuning part which replaces the original equipment valve (fitted to the vehicle). A range of models are available to suit a wide variety of European cars, which almost certainly includes yours. FSE are continually developing new designs to expand the number of applications.FSE outline the benefits of the Power Boost Valve by drawing a comparison evaluation:Ref: Original Equipment Fuel Pressure Control ValveThe electric fuel pump supplies fuel at a high pressure to the fuel rail and injectors, which is then regulated by a fuel pressure control valve. Typically, the regulator is not adjustable and is pre-set to a 3 bar maximum pressure. At i.