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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Fuel injectors don't just deliver fuel. They meter it, shaping the spray so the air-fuel mixture burns in the way the engine wants ...

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 ...

Valvoline has developed a new direct-injection fuel system cleaner that the company says will remove carbon deposits in about an hour. The EasyGD Fuel System Service featuring Power Dispersal ...

You’re walking down the aisle of your local auto-parts store and you happen to notice the shelf full of fuel-system cleaners. They might be nestled between oil additives and those bottles of goo ...

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, 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 ...

How does direct fuel injection work? Instead of having injectors in a throttle body, or in the intake manifold, a direct injection system makes use of an injector that fires into the combustion ...