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.
Pressure from the engine can put stress on the oil filler cap, causing oil to leak out, if the cap is broken, loose, or even missing. Valve Cover Gasket. The most common site of leaking oil in automobiles is the valve cover gasket. It is a seal that prevents leakage and joins the valve cover and the engine. Oil is drawn to the top of the engine from the bottom and collects beneath the valve cover, slowly draining back into the engine via drainage holes.