White smoke from engine after Seafoam treatment - Honda-Tech


White smoke from engine after Seafoam treatment

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Old 11-08-2011, 06:27 PM   #1
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Default White smoke from engine after Seafoam treatment

I just used 1/3 can of Seafoam through the PVC valve of my 91 accord (320k miles), and after (or while) I did it, white smoke was coming from the engine bay. It seemed at first like it was coming from the valve cover but then I saw that it was coming from below the VC... It did fix my idle problem (thank God) and it also made my car run better, but i'm kind of surprised / worried about this smoke from the engine.

But what could this be? Is it a bad problem? I read on the internet that it could have been a vacuum leak.

Thanks.


Misha
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Old 11-08-2011, 07:01 PM   #2
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Default Re: White smoke from engine after Seafoam treatment

Dude.
Read.
The.
Can.
It does that.
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Old 11-08-2011, 07:07 PM   #3
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Default Re: White smoke from engine after Seafoam treatment

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Originally Posted by chikin pickle View Post
Dude.
Read.
The.
Can.
It does that.
Really? I thought it was only supposed to come out of the exhaust pipe, not the engine itself.
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Old 11-08-2011, 08:29 PM   #4
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Default Re: White smoke from engine after Seafoam treatment

You spilled something
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Old 11-08-2011, 08:44 PM   #5
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Default Re: White smoke from engine after Seafoam treatment

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You spilled something
I really don't think I did because of the powerful suction of the PVC prevented it. I was using a measuring cup to do it.
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Old 11-09-2011, 04:15 AM   #6
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Default Re: White smoke from engine after Seafoam treatment

It comes out the engine also. Done it numerous times...
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Old 11-09-2011, 04:46 PM   #7
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Default Re: White smoke from engine after Seafoam treatment

It comes out the exhaust, if theres a leak it comes out there too. Porbably a cracked exhaust manifold.
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Old 11-09-2011, 05:05 PM   #8
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Default Re: White smoke from engine after Seafoam treatment

Or worn out rings where it goes past the rings and down into the crankcase and of course you'll see it come out some other places such as valve cover, etc.
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Old 11-09-2011, 07:10 PM   #9
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Default Re: White smoke from engine after Seafoam treatment

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Originally Posted by Mishako129 View Post
But what could this be? Is it a bad problem?
One of the neat, and sometimes unexpected, outcomes of seafoaming a vehicle is any exhaust leaks, or blow by, will show up as white smoke.
Add the recommended amounts to the fuel and oil, this may help a sticking ring, but if a ring or cylinder is bad, or the valve guide is sloppy, the white smoke will find the path of least resistance, be it a bad ring/cylinder, valve guide, or gasket.
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