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.

Valve gunk is nasty stuff that comes from the toxic vapor of steam, oil, gasoline and hydrocarbons circulating around the inside of your engine. A normal process of combustion in any gas powerplant, ...

The basic difference between direct injection (DI) and the port-fuel injection (PFI) systems we've become familiar with since the mid-1980s is that PFI sprays fuel into the intake manifold (behind ...

SAE Transactions, Vol. 107, Section 3: JOURNAL OF ENGINES (1998), pp. 2172-2182 (11 pages) Direct Injection technology represents a major breakthrough for both, Gasoline and Diesel engines with ...

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 ...

Port fuel injection and direct injection are similar but distinct systems, so why do some engine designs include both?

Benz Now Back On Track with CGI Direct Injection Believe it or not, gasoline direct injection is a technology that's near sixty years old. Sixty years old? It makes you wonder what automakers were ...

Direct injection systems, in which a high-pressure fuel pump pressurizes the fuel for injection directly into the cylinder by an injector, provide greater freedom in the injection timing and volume ...

Ford of Europe will install gasoline direct-injection, spark-ignition engines into some of its smaller vehicles beginning in 2003. Called Duratec SCi - for Smart Charge injection - the engines feature ...

Full-load operation of a small-displacement sparkignition direct-injection (SIDI) engine was thoroughly investigated by means of computational analysis and engine measurements. The performance is ...

The Korean manufacturer Kia has announced that it has developed a new gasoline direct injection (GDI) engine. The new power unit is a largish (2.4 litre) four-cylinder engine which produces about 200 ...