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 everything else may work fine. If that happens, it might be time ...

If that happens, it might be time to treat your engine’s fuel system to a cleaning with the best fuel injector cleaner you ...

Totally works. Buy a crate of it." Sounds legit. Now, look. I hear you. "But, Jason, what about a fuel injector cleaner?" Ah, okay, what about it? Is fuel injector cleaner snake oil? Does it ...