Today’s column is about Megasquirt, an EFI (Electronic Fuel Injection) computer that you can build. Maybe you own a hotrod (or clunker), and while you love it for sentimental reasons, you wish it had ...

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 ...

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 ...