The other day I dropped my car off at a European specialist shop, and while I was there, a technician was working in the engine bay of a Mk7 Golf R, cleaning out carbon deposits off the intake valves.

Gasoline direct injection, or GDI, is one of the most crucial bits of technology in the modern internal combustion engine. In engines equipped with GDI, highly pressurized gasoline is sprayed directly ...

In this video, I will demonstrate how to effectively clean intake valve deposits on gasoline direct injection (GDI) engines while addressing common questions about GDI technology. Key topics covered ...

Q: I have a 2009 VW with gasoline direct inject and a 2.0-liter turbo engine. It recently needed the intake valves cleaned (a very costly job) after just 54,000 miles. I understand many manufacturers ...

Today’s engines face stress from heat, pressure, and carbon buildup. To get the power and gas mileage you expect, your engine needs to operate at its best. Shell V-Power® NiTRO+ Premium Gasoline ...

A few simple checks and tips can help ensure maximum peace of mind when buying a used GDI-powered car. The Gasoline Direct Injection (GDI) engine is marketed under different names by different ...

Direct-injection engines were introduced with a promise that sounded ideal: more power, better fuel efficiency, and cleaner emissions, all from a more precise way of delivering fuel. On paper, the ...

Gas has been expensive of late. Have you been tempted to stray away from Top Tier fuels in favor of a warehouse brand’s pricing at dimes- or quarters-per-gallon cheaper? Maybe with supplies ...