Fuel Injection System
WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.
The engine is equipped with a central direct injection system. A high pressure fuel pump, driven by the intake camshaft discharges the fuel to the fuel rail, where the fuel is stored with pressure up to 20 Mpa (2900.76 psi). The fuel is injected by electronic controlled fuel injectors direct to the combustion chamber.