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 ...

You know the drill by now. You're sitting in the purgatory of the service center waiting room. Precisely 63 minutes into your wait, the service adviser walks out with a clipboard and calls your name — ...

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 ...

Clogged injectors can cause a myriad of issues for your engine—it needs a consistent flow of fuel to run properly. Sometimes, simply pouring a can of injector cleaner into your gas tank before a ...

Having fuel injectors on all mass-produced vehicles is one of the biggest automotive breakthroughs of the past few decades. If you've ever gone through having to start an engine with a poorly tuned ...

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 ...

There are many things that can degrade your vehicle's performance over time, from a dirty air filter and low tire pressure, to fouled spark plugs and worn out plug wires. However, nothing will rob ...

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. Just about every car has it now, and those that don’t probably will in the next few years. It can add power, reduce emissions, and is a big part of why just about everybody is ...

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 ...

Port fuel injection has some big advantages, but automakers increasingly are using gasoline direct injection instead. The ...