Porsche Cayman S - 2009 with 5500 miles sends out smoke after starting following a 5-8hr period of non use. Is this normal? It doesn't continue when driving. I am concerned that this may be a manufacturing fault that may lead to personal expense once the warranty has lapsed e.g valve stem oil seals or something similar.
Actually this is a normal symptom of every Porsche H6 I have owned. I asked the same questions and the dealer stated it was natural to this engine as the cylinders collect a small amount of oil at the bottom every time the car has been run. When you start the engine it is blown out as smoke.
ABSOLUTELY NORMAL, nothing to worry about.
White smoke is water and bluish smoke is oil. Years ago manufacturers used a special break in oil in new engines and it wasn't uncommon for some of this to burn off during break-in. The first oil change fixed that. I don't know that any manufacturers do it anymore. If Porshe does there will be a reference to that fact in your owner's manual.
I think you are on the right track and I would be getting the car back to the dealer, start the documentation paper trail. Make sure you are following Porshe's engine break-in instructions in your owner's manual because they will be able to check some of it from the on-board computer and may be able to void your warranty if they find anything. It's also possible that this problem may go away when you do the first oil change, but it won't hurt to make them aware of the situation. Hope this helps.
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