Puff of White Smoke - Team Camaro Tech
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post #1 of 5 (permalink) Old Sep 18th, 12, 05:18 PM Thread Starter
Clay
 
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Puff of White Smoke

I did a search on this before I posted and couldn't find a definitive answer so here goes. When I start from a cold start a rather large puff of white smoke comes from the exhaust then little puffs you can barely see continue until the car warms up after that no smoke what so ever. What is it and should I be concerned?

Thanks
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post #2 of 5 (permalink) Old Sep 18th, 12, 05:33 PM
DjD
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Re: Puff of White Smoke

As far as exhaust goes;

Black Smoke is typically a rich fuel mixture

Blue Smoke is burning oil

White Smoke is moisture, very typical and normal when cold out, could be signs of a head gasket leaking coolant into the cyl but it wouldn't stop when warmend up...

...Dennis

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post #3 of 5 (permalink) Old Sep 18th, 12, 06:26 PM Thread Starter
Clay
 
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Re: Puff of White Smoke

Well it has been chilly at night about 40-50F so that just might explain it
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post #4 of 5 (permalink) Old Sep 18th, 12, 06:47 PM
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Re: Puff of White Smoke

Quote:
Originally Posted by Chalderm View Post
I did a search on this before I posted and couldn't find a definitive answer so here goes. When I start from a cold start a rather large puff of white smoke comes from the exhaust then little puffs you can barely see continue until the car warms up after that no smoke what so ever. What is it and should I be concerned?

Thanks
How about taking some pics?
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post #5 of 5 (permalink) Old Sep 18th, 12, 07:30 PM
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Re: Puff of White Smoke

Quote:
Well it has been chilly at night about 40-50F so that just might explain it
Yep...
Now if a head gasket...chances are u will run a bit hot after a while...
To eliminate that.. which is unlikely...get a HC /COx gas check on the radiator....
If worried about valve guides, which after sitting , on fire up a puff of light blue smoke...
mark which way they are up in the head, pull the plugs ..if excessive black on top side, valve guides, bottom side rings...if a little hint black on top side that is normal.

But if you aregetting bit of water out the exhaust, while 'steam' espec in colder weather, and no head gaskeet... it will because you have a good mixture/burn of fuel.
When fuel burns, in therory it gives off COx and water.. lots of water...short trips this may not get a chance to evaorate out of the low parts of the exhust system completely, so u end up with blowing steam out for quite a while...and dripping water out the ends.
Which is why a car used for short trips rusts out the lower parts of asn exhast system faster.

My Spelling is not incorrect...it is creative

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