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.
Â· just now. 1  Diesel Car Losing Power. 2  Clogged diesel fuel filter INSIDE the fuel TANK will cause engine power loss, as much as a clogged filter in the fuel pump in the engine. 3  What causes loss of oil in Ford F350 engine.