Fuel system cleaners are cheap and plentiful at automotive stores, but do they actually do all the things that they claim? We ...

It's safe to say that performance enthusiasts have embraced electronic fuel injection. That's not to say that carburetors can't do the job, but Detroit hasn't rolled a new car off the production ...

What is gasoline direct injection and how is it different from traditional methods of getting fuel into your car's engine? You may have read or heard one of your favorite Car Tech editors talking ...

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, ...