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.
Cause of low oil pressure: It is possible that the oil pump may not always be the culprit. Leaks can happen that are not related to the oil pump at all. Low oil pressure may be caused by something as simple as using the wrong brand of motor oil.