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 ...

If you flip through the list of features on just about any new car or truck, you’re likely to see the words “direct fuel injection,” or DI. The concept is straightforward enough -- engineers have ...

Direct injection has been considered the most effective approach to overcome the inherent short-circuiting of fuel in a two-stroke engine. A practical application of this technology on an 1100cc ...

The 2014 Chevy Corvette will be powered by an all-new 6.2-liter V8 that combines direct fuel injection, continuously variable camshaft timing and cylinder deactivation to make the sports car both ...

When port fuel injection (PI) first debuted in the mid-1980s, no one knew what to make of it. With no carb or distributor to adjust, it was a steep learning curve for hot rodders and the performance ...

Direct-injection engines are pretty common in new cars these days, but how exactly do they work? Well, this explainer video put together by the YouTubers at SavageGeese gives us an in-depth look at ...

Question: I was having a conversation about cars with my 14-year-old son, and the topic of fuel injection came up. He wanted to know how it works, and I began to tell him, but then realized I didn’t ...

The General's most potent V-6 ever owes much of its newfound power and efficiency to direct fuel injection. As with all DI gasoline engines, much of the improvement is due to the fact that evaporating ...

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