Actress Hailee Steinfeld pairs a navy-and-white dress with white strapped sandals at an event in Los Angeles in 2013.
If the oil is on the inside parts of the spark plug like the bottom insulator, that's a bigger issue, you have either leaking valve seals or very leaky piston rings. If your car blows a puff of blue smoke on startup, you probably ave leaky valve seals. If it blows blue smoke all the time, leaky piston rings.
Oil leaks are commonplace among car owners. Most of the time, the problem is something minor and easy to fix. Leaking oil, however, could be a sign that something is seriously wrong with your car's engine. Here are some basic guidelines...