Fuel does not stay fresh forever. Gasoline begins to oxidize in a few months, forming sticky varnish and gum that can clog carburetors, injectors, and fuel filters. Diesel faces its own problems: as ...

One aspect of routine car maintenance is making sure your fuel injectors are clean, and there's a few things you can do to make that process easy. While sometimes a tank of substandard gas or past-its ...

You're driving along and your car starts to stutter and stumble. Then, just as soon as it starts, it goes away. You forget about it until it happens later in the week or the next day. Is your car ...