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.
An oil patch under the car can be caused by the oil leaks above or by the ones listed below: 1  Oil Pan-This is a common place for oil to leak out as the gasket for the Oil Pan wears out. 2  The Oil Pan is located at the bottom of the engine. Your vehicle may have either a Timing Belt of Timing Chain. 2  For vehicles with Timing Chains, the chains are covered in Oil and the cover stops the oil leaking out using a Timing Cover Gasket. 3  When the Timing Cover Gasket goes bad, Oil escapes out the side of the Timing Cover.