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-   S4 / RS4 (B5 Platform) Discussion (https://www.audiworld.com/forums/s4-rs4-b5-platform-discussion-6/)
-   -   Is it normal for some black smoke to come out of my exhaust when i floor it? Not a lot, but enough (https://www.audiworld.com/forums/s4-rs4-b5-platform-discussion-6/normal-some-black-smoke-come-out-my-exhaust-when-i-floor-not-lot-but-enough-1530987/)

BlackS4tt (Josh) 05-05-2004 05:34 PM

Is it normal for some black smoke to come out of my exhaust when i floor it? Not a lot, but enough
 
for the person behind me to see it.TIA

MelloYelloS4:Indkted 05-05-2004 05:38 PM

IIRC black smoke is the car running rich. Or blowing carbon out the exhaust. One of the two.

BlackS4tt (Josh) 05-05-2004 05:40 PM

So, not normal?
 
If its because im running rich, i know it has to be because my DVs are set to release too much to the atmosphere.

S4mig@PEB tuning 05-05-2004 05:45 PM

Bingo.

ZephyrS4 05-05-2004 05:48 PM

I've never seen anything coming out of mine.

BlackS4tt (Josh) 05-05-2004 06:08 PM

Well, i just went and put one on full DV and one on full BOV and my car is running much better.
 
Dont know what i was thinking with both of them on almost all BOV.

MelloYelloS4:Indkted 05-05-2004 06:09 PM

I never thought about running only one BOV. Probably still not good for the car?

BlackS4tt (Josh) 05-05-2004 06:26 PM

Why do you say that? Im still getting enough air rerouted. It feels just as smooth as my hyperboost
 
back when i had them

MelloYelloS4:Indkted 05-05-2004 06:39 PM

I dunno. Always been told that any BOVs are bad.

zapco98 05-05-2004 06:59 PM

If you have K04s, it seems to be a norm with the programming...
 
Its actually common to see a little bit on pretty much any chip if you pay attention.


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