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 ...

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.

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 ...

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 ...

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 ...