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 ...

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 ...

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 ...

Today’s engines face stress from heat, pressure, and carbon buildup. To get the power and gas mileage you expect, your engine needs to operate at its best. Shell V-Power® NiTRO+ Premium Gasoline ...

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 ...

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 ...