black smoke - Chevy and GMC Duramax Diesel Forum
06-07.5 LBZ & LLY Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission Ect

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Old 06-05-2011, 08:46 PM   eBay Motors  #1 (permalink)
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black smoke

my 07 classic has started to spew out some black smoke out of the tailpipes since the weather has started to warm up. i am running the edge cts on level 3. no towing. she smokes pretty good when lugging up hills and from a stop with medium acceleration. kinda worries me. thanks.
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07 classic, stock susp. silverline turbo back dual exhaust, edge evolution cts programmer w\egt,Titan aftermarket 46 gal. fuel tank and a loose nut behind steering wheel.
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Old 06-05-2011, 09:22 PM   eBay Motors  #2 (permalink)
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thats normal, Hot air is bad air. Mine does the same thing
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2004.5 lly GMC CCSB 2500
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Old 06-05-2011, 10:15 PM   eBay Motors  #3 (permalink)
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egr delete will clean it up a bit
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2007.5 CCSB black, bullet proof bumpers. (In body shop)

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Old 06-05-2011, 10:32 PM   eBay Motors  #4 (permalink)
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I wouldnt be worried, whenever its warmer out with humid air you will see more smoke then ever
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Old 06-06-2011, 08:09 PM   eBay Motors  #5 (permalink)
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Thanks gentlemen!!!
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07 classic, stock susp. silverline turbo back dual exhaust, edge evolution cts programmer w\egt,Titan aftermarket 46 gal. fuel tank and a loose nut behind steering wheel.
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