While port injection is still the most common form of electronic fuel injection, gasoline direct injection is quickly starting to replace it since it provides better fuel atomization, decreased ...

Direct-injected engines helped modern vehicles produce better fuel economy and stronger performance, but mechanics are increasingly warning that carbon buildup has become a serious long-term ...

A close-up of a corroded exhaust valve filled with carbon deposits. - HelgaQ/Shutterstock Before the turn of the millennium, you wouldn't find many people complaining about carbon deposits on engine ...

Carbon build-up reduces fuel economy by restricting airflow into the engine, disrupting the fuel spray pattern from injectors, and creating uneven combustion. The US Department of Energy estimates ...

Before the turn of the millennium, you wouldn't find many people complaining about carbon deposits on engine valves. However, all of that changed as gasoline direct injection (GDi) went mainstream in ...