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Old 07-21-2013, 11:10 AM
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2008 black smoke

ok i have just recently noticed black smoke comming from tail pipe at take off. i have dpf and egr removed but not running any heavy tunes. i hadnt seen any smoke for about 4000 miles with the delete so this seems not normal. What could be causing this? I have no codes showing. The only thing I do have going on is a cracked uppie. fixing this next week. any ideas??
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Old 07-21-2013, 11:50 AM
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Air filter clean? Cracked up pipe sure isn't helping
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Old 07-21-2013, 12:10 PM
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yeah up pipe isnt helping spooling, dirty air filter or maybe check intercooler boots for pin hole or rub through
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Old 07-21-2013, 12:30 PM
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Can just the bad pipe cause this? Boots look good and air filter is ok
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Old 07-21-2013, 12:36 PM
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Yes, could be causing the turbo to slightly lag, the engine would be counting on that pressure this sending more fuel that it thinks can be burnt but can't. That non burnt fuel is smoke.

Does the smoke clear up fast? Is your turbo pushing normal numbers?

Like stated above also check filter, should be able to look right at the filter minder and see.


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Old 07-21-2013, 12:36 PM
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Didn't see you checked filter, my bad.


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Old 07-21-2013, 12:44 PM
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My 08 does this on take off and when I get on it hard but I just assume its from no dpf and the tune. I'm running a mini maxx on stock power level w volant intake and 5" flo pro exhaust. been doing it since I installed it seems normal to me

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Old 07-21-2013, 01:06 PM
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it clears up quick. lossf of low end power due to pipe. turbo dont build boost right away and loosing alot due to pipe
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Old 07-21-2013, 01:14 PM
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one other thing that was odd when my uppi pipe went was that air flow sensor on the air filter isnt moving. it did have about 1/2 until it indicated change filter. i reset it just to make sure and it hasnt moved since. if the exaust side of turbo leaks will this drasticaly change vacume on intake side?
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Old 07-21-2013, 05:36 PM
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So what do you guys think?
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