Just thought I would update, Today I got a phone call from the machanic that is working on the engine. They found water in the # 5&6 cylnders where the random misfire code was happening. Bad news for my Audi. I still don't know if the head is cracked or if it is just the seal, I am praying for the seal, they are going to take the car appart tomorrow and find out. Will keep you posted.