Valve gunk is a crusty, dirty and problematic substance formed when a greasy vapour of steam, oil, gasoline and other engine contaminants builds up and bakes on to the surface of an engine’s intake ...

Direct injection technology has changed how engines make power and use fuel. It allows precise control of the air-fuel mixture, improving both performance and efficiency. However, this design has one ...

Automakers have long touted the benefits of fuel injection, claiming increased efficiency and power. But as more cars have the system installed (around 73% in 2023), more and more consumers are ...

Gasoline direct injection engines stand out for their high performance combined with low consumption and emissions. Engine developers also rely on gasoline direct injection systems for the combustion ...