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 response to the changing engine needs of the marketplace, Penray now offers two advanced fuel additives designed to remove harmful deposits from the fuel system in today's cars and light trucks. In ...

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 ...

Direct injection is all the rage these days. It has become the most significant development in internal combustion engines since, well, fuel injection. But the difference between the two is more ...

To save time and money, you might want to learn how to clean fuel injectors without needing to rely on professionals. But do ...

Over time and miles, your car might start to slow down. It might not accelerate as quickly as it once did; the engine may not run as smoothly as you remember, or the fuel economy may dip—but ...

Fuel injectors that are working properly respond instantly to the demands of your engine. Unfortunately, even the best fuels contain impurities that can gum up the injector nozzles, reducing ...

Direct injection, as the name suggests, refers to a type of fuel system which introduces fuel directly into an engine's combustion chambers. This differentiates it from conventional injection systems ...

Fuel injectors can get gummed up with dirt and fuel residue over time. Photo credit: David Traver Adolphus / Autoguide.com. Over time and miles, your car might start to slow down. It might not ...

While carbon buildup happens on essentially all engines, gasoline, diesel, N/A, or boosted, it's an increased concern in GDI engines. Standard Electronic Fuel Injection features injectors higher in ...