Well, I put the question mark there, but I'm pretty sure it is (unless I'm wrong?) - lots of white smoke out the exhaust upon startup and once warmed up (I initially thought it was because of the cold weather). Looked underneath the oil cap and there is a creamy substance under it.
Anyone know how much I should be looking at to get it repaired?
Are there any other items I should replace at the same time?
Oh, and should I keep driving the car or refrain from doing so till I get it sorted?