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 ...

One of the defining features Audi engines is TFSI, featured in numerous Audi models for over 20 years. What does TFSI stand ...

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 ...

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, ...

The days of electronic fuel injection referred to as Black Magic are over. It has taken hot rodders long enough to figure out carburetion, and with the advent of EFI, the fear of "something new" ...