For ISUZU Peuge Turbo Vacuum Solenoid Valve Car Engine Automatic Parts 8982399350 70556801. An economical choice for vacuum solenoid valve replacement, saving your time and effort. The role of turbo boost pressure solenoid is to increase the intake of air into the engine, which will increase the power and torque of the engine, making the car more dynamic. These vacuum solenoid valves precisely regulate the flow of exhaust gas into the intake manifold, enabling refined control of exhaust gas recirculation. They effectively manage the emission of fuel vapor and oil vapor from the engine combustion chamber, ensuring the stable and reliable operation of the vehicle's evaporative emission system., Manufacturer: Weurwvu