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.
- Common Symptoms. There are several systems that can leak oil. Each fluid tends to be a different color, which can help to identify the leaking system. 1  Engine oil tends to be brown or black. 2  It can be an amber color if it's new oil. 3  Power steering fluid can be many colors: clear, brown, green or red. 4  Automatic transmission fluid is reddish in color.