Port fuel injection has some big advantages, but automakers increasingly are using gasoline direct injection instead. The ...

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 ...

Port fuel injection (PFI) was a major milestone in the early '80s. The integration of PFI rapidly changed the way fuel was delivered by increasing fuel economy and improving engine performance. Even ...