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White smoke on cold startup

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Old 08-13-2007, 12:53 AM
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White smoke on cold startup

Happend last week and I know this is no big deal, but can someone explain what causes this? Oil in the turbo? Banana in the tail pipe?
 
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Old 08-13-2007, 02:03 AM
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My (limited) understanding is that it is normal for boxer engines. Beacuse the cylinders are horizontal , a little engine oil can seep past the rings and into the top of the cylinder after the engine has been stopped for a few hours. This oil is burnt up in the few few seconds after starting of course. It's not a good look when you fire up the engine in front of an audience!
 
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Old 08-13-2007, 05:49 AM
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My 996 TT does this every 5 or so start ups. I had a Boxster and is never did this.
 
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Old 08-13-2007, 05:58 AM
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My Boxster S does it occasionally, particularly after the last trip was a short one.
 
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Old 08-13-2007, 06:48 AM
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I was just about to ask this same question... I started my car after sitting for a few days and got a cloud of white smoke! Certinally seems wrong to me for a car with 2000 miles. Is this normal???
 
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Old 08-13-2007, 04:00 PM
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Originally Posted by scottfromnapa
Happend last week and I know this is no big deal, but can someone explain what causes this? Oil in the turbo? Banana in the tail pipe?
haha.. no nothing to worry about. All the 996TTs and 997TTs have a puff of smoke upon start up (not to mention condensation from the exhaust). As long as it goes away after a few seconds all is good
 
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Old 10-26-2007, 04:25 PM
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Hi Sharkster, newbie here! (first post). I have the same problem also. I know my way around cars pretty well. I think that it is strange for any newish car to blow smoke on startup. Mine has around 5000miles on it now, uses a bit of oil, and after it has sat for a bit it really blows a lot of white smoke.

I have owned a number of turbo cars in the past, usually the white smoke is a little scary like gaskets going or rings warn etc.

I have noticed from time to time when booting it at night a lot of smoke/gunk comes out the exhaust also.

I'm not that worried about it, but it is a little embarrasing when the smoke comes out in the carpark on a GBP 100K car!

Do you know exactly what causes it?

Many thanks.
 
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Old 10-27-2007, 08:00 AM
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I have had the same issue a couple of times. Seems to happen when I have been out for a spirited drive and it sits overnight. Goes away quickly, but it sure is was a cause for concern the first time it happened.
 
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Old 10-27-2007, 09:57 AM
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Cheers 997 Turbo Tip - Actually this video advertising an exhaust shows the problem, although it does look worse than mine! : http://blurbdesigns.fileburst.com/sc...bq/P997-02.wmv

Worries me, as these cars are pretty new. What are they going to do at 30,000-40,000 miles?
 
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Old 10-27-2007, 10:01 AM
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Perfectly normal for these cars. My dealer says it looks like London fog in the mornings when they're shuffling the pcars around the lot
 

Last edited by deputydog95; 10-27-2007 at 07:30 PM.
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Old 10-27-2007, 06:48 PM
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agreed, nothing to really worry about.
 
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