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 ...

If you use low-quality gas without extra fuel additives and detergents, your fuel system and injectors will get dirty. Here’s how they work.

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 ...

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 ...

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 ...

Rislone Fuel Injector Cleaner with Upper Cylinder Lubricant (UCL) from Bar's Products combines a unique blend of additives to clean and lubricate the entire fuel system and protect the engine. It is ...

Fuel injector cleaners are additives that are poured right into the gas tank and remove carbon deposits and other contaminants from the injectors. This can lead to better fuel economy, improved ...

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 ...

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.

This will be very long, and if you're not interested in troubleshooting an engine (and probably even if you are) it will be very boring... My wife's car - a '97 Subaru Legacy with 169,000 miles on it ...