Monthly Archives: July 2022

What's a GDI Engine?

What's a GDI Engine?

GDI or Gasoline Direct Injection is a fuel injection used by many modern vehicles. Traditional multi-point fuel injection injects fuel into the intake at low pressure. With GDI engines, a common fuel line injects gasoline at high pressure directly into the combustion chamber of each cylinder. This gives GDI engines precise control of injection timing and the amount of fuel delivered.   GDI engines provide many benefits that conventional fuel injection can’t. You can draw more power from smaller engines with gasoline direct injection technology. In addition, your car gets improved fuel efficiency and reduced emissions. While significant, the power of the GDI engine is a double-edged sword. While you get many benefits from gasoline direct injection, carbon deposits that build up can steal all the positive associated with this type of engine. Modern gasoline is packed full of detergents and does a great washing the back sides of your exhaust and intake valves. Because GDI eng ... read more