What are fuel additives? Do fuel additives really work? Fuel additives can clean fuel injectors, intake valves, pistons, and cylinder heads. What are the active ingredients, and how do they work? This ...

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 ...