ok i was changing the spark plug wires on my car and i noticed that the wires from the 1st and 2nd piston had a lil oil on the part where it connects to the spark plug. now i heard someone on here say sumthing about this but i dont remember what. now i want to know if this is seriously bad and what this means. what should i do about it. i started the car and it ran fine. someone please help. thanks.