The duramax fuel pressure regulator is a very important component of the EFI system that your vehicle cannot operate without. It sees that the fuel rail builds up enough pressure to support the vehicle’s fuel injector system with the right amount of fuel. If the fuel pressure regulator is not available, the fuel will go straight through your car’s system and will never reach the injectors. If the fuel tank pass-through is blocked completely, then a lot of fuel will be forced into the fuel injectors, something that will likely cause them to fail. For more information on the duramax fuel pressure regulator, visit our website at https://puredieselpower.com/