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csman

997 Turbo oil smoke on start up-advice please

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Hi there,

My 2008 turbo is suffering from producing a smoke screen on cold start, and occasionally on a warm start up. Having had quite a few flat sixes over the years I know some say that white smoke on startup is normal, but this smoke I think is more oil burn off smelling and is thick and embarrassing. I spoke to the dealer I originally got the car from and their view is "they all do that from time to time" but my previous 997 turbo never did.

There doesn't seem to be any other smoke after the first few seconds after start up whatever driving conditions are after that. Also it seems to be the left hand pipe that smokes more than the left.

The car drives perfectly otherwise and I have always used mobil1 oil.

Any ideas on the fix as I don't think I want to just live with it on a car of this value

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It seems that Porsche folk have moved elsewhere. There seems to be weeks as opposed to hours between new posts which is never a good sign...

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No they're not, but such problems can have various causes. You could see whether any of the turbo's is leaking oil, check the charge coolers for oil residus and at the same time the oil return pipe for cloging. There may with the engine itself, cylinders/piston rings for example, also be something wrong.

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Hi there,

My 2008 turbo is suffering from producing a smoke screen on cold start, and occasionally on a warm start up. Having had quite a few flat sixes over the years I know some say that white smoke on startup is normal, but this smoke I think is more oil burn off smelling and is thick and embarrassing. I spoke to the dealer I originally got the car from and their view is "they all do that from time to time" but my previous 997 turbo never did.

There doesn't seem to be any other smoke after the first few seconds after start up whatever driving conditions are after that. Also it seems to be the left hand pipe that smokes more than the left.

The car drives perfectly otherwise and I have always used mobil1 oil.

Any ideas on the fix as I don't think I want to just live with it on a car of this value

100% normal. Very sporadic, but normal. When you end your drive, you can let the car idle for a minute or so, then likely won't have smoke the next start.

DC

Edited by therock88

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Thanks for the feedback both. I will try longer idling time and see if that helps. Generally I always drive gently for the last few miles of a drive to let everything cool down before turning off but will haven't then let it idle in addition.

Thanks guys

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My 2007 did that too, but as mentioned, it was aporadic and when i had it serviced, I asked and was told there was nothing wrong. Keep in mind that there are oil seals that seprate the two side of the turbos that may drip a little oil until heated up. If the smoke screen was constant and lasting more than a couple seconds and if it were happening under load or boost, then I would be concerned.

Walt

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Thanks Walt

Thee is never a problem under boost or load so suspect it is not a big issue, but I've decided to get it checked by a specialist next month. If I don't get a big bill I might invest in an ECU remap to celebrate, man maths at its best!

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MY 997TT SOMETIMES PUFFS A LITTLE SMOKE ON START UP BUT ONLY IF I HAVE STARTED IT AND RUN FOR LESS THAT A COUPLE OF MINUTES AND SHUT OFF . THEN THE NEXT STARTUP PRODUCES A PUFF OF BLUE SMOKE 

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