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 ...

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 ...

You may or may not notice the initial hints of carbon buildup. They typically show up as a little roughness at idle or slightly lower mileage – until one day your check engine light turns on because ...