New answers tagged kia
It sounds like a blown head gasket ... I'm surprised your mechanic didn't suggest that to you. If there is no sign of visible leakage, it has to be going somewhere. There are only two other places for it to go. Into the crankcase or out the tail pipe getting burnt. You should be able to smell and see it coming out the tail pipe (you may see signs of ...
Take it to a workshop and have it fixed. One of your induction pipes either cracked or came undone while they were busy. Although it's weird how an oil change can cause this. I wouldn't take my car back to the same place.
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