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 it to. When deposits build up, injector fuel flow can decrease and ...

Fuel injectors rarely get the same attention as turbochargers, superchargers, or cylinder heads, but they play a far more critical role than most enthusiasts realize. Every fuel-injected engine, ...

You've heard of mixture distribution problems relating to carburetors—different cylinders receiving different amounts of fuel. This is caused by many variables, including g-forces and poor manifold ...

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 ...

Shutterstock // Setta Sornnoi Over time and miles, your car might start to slow down. It might not accelerate as quick ...

It may not have the coolness quotient of a high-lift cam or a rowdy exhaust system, but a properly functioning set of fuel injectors plays a critical role in optimizing overall engine performance.

As you may know, diesel fuel can create gum and resin deposits in your fuel system and in your injectors. These finely engineered parts (they better be at $400 a pop) have only a small hole in the tip ...

Top Tier gasoline contains more effective detergents than federally required, which helps clean fuel injectors and reduce harmful carbon deposits inside the engine. Clogged fuel injectors and carbon ...

A new fuel additive from Advanced Fuel Solutions (AFS) is said to eliminate deposits in the injector, optimize injector performance, extend filter life and maintain fuel economy. The Optimum ...