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11-02-2012, 04:30 PM
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#3 (permalink) |
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Diesel Specialist
Join Date: May 2007
Location: VT
Posts: 608
iTrader Score: 1 reviews
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Happened to me a few times. started about a month ago 36,000 mi. Brought it to dealer, checked all my exhaust connections, reprogrammed some stuff (not sure what, havent got the paperwork back). I have had 2 regen cycles since I got it back, 1st cycle I got a little smoke, 2nd cycle I got none. I'm gonna keep and eye on it. I will let you know what they did for reprogramming once I get the paperwirk back. Who knows if it's fixed....
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'11 GMC Sierra 2500HD D/A LML, CCSB, SLE Previous trucks: '04 Chevy D/A LB7 ,ECSB.-Stock '06 Chevy D/A LBZ, ECSB, LT3-Too many things to list, was a great truck though. '09 GMC Sierra 2500HD D/A LMM, ECSB, SLE-Stock |
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11-02-2012, 07:50 PM
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#4 (permalink) |
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Diesel Technician
Join Date: Jan 2009
Location: Milton, On, Canada
Posts: 162
iTrader Score: 1 reviews
Ontario Diesel Place Chapter Member |
Ive notice some aswell. Dealer told me it was normal during regen cycle.
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05' 2500HD Silverado CCSB - RIP 2011 - LML Sierra CCSB - Stock |
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11-03-2012, 06:48 AM
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#5 (permalink) |
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Diesel Enthusiast
Join Date: Jul 2012
Location: Troy,NY
Posts: 15
iTrader Score: 0 reviews
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I drive a 2008 KW for work.It has a dpf on it.
it is not uncommon to see the newer trucks all of a sudden, blow puffs of white smoke out of the stacks,as part of the regen process. I've had fellow drivers following me and I following them,notice it, and tell each other about it.especially when the dpf's 1st came out.Now its common place.
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2013 Silverado HD Z71 ECSRW LTZ Bone Stock |
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11-03-2012, 09:07 AM
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#6 (permalink) |
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Lead Moderator
Resident Coffee Addict
 
Join Date: Jun 2008
Location: Near The Coffee Maker
Posts: 11,531
iTrader Score: 0 reviews
Ontario Diesel Place Chapter Member DieselPlace.com Lifetime Premium Member |
It's not "smoke", really - It's the ash being blown out of the DPF as the regen cycle nears completion, or reaches completion. I see it every so often on the class-8 equipment I drive, although usually it happens on the highway so you never notice it.
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 Mark - Courtice, Ontario, Canada. '97 C3500 Crew Cab Long Box Dually 6.5 Turbo Diesel. Rebuilt with Navistar 506 block spring 2012 Special thanks to Racer55 and WhiteK2500 for their invaluable assistance! Commercial OTR Driver Since '95, RV'er By Weekend. Find my list of reference information HERE Last edited by PrivatePilot; 11-03-2012 at 09:08 AM. |
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11-04-2012, 09:00 AM
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#7 (permalink) | |
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Diesel Specialist
Join Date: May 2007
Location: VT
Posts: 608
iTrader Score: 1 reviews
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Quote:
Makes sense.
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'11 GMC Sierra 2500HD D/A LML, CCSB, SLE Previous trucks: '04 Chevy D/A LB7 ,ECSB.-Stock '06 Chevy D/A LBZ, ECSB, LT3-Too many things to list, was a great truck though. '09 GMC Sierra 2500HD D/A LMM, ECSB, SLE-Stock |
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11-04-2012, 01:42 PM
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#8 (permalink) | |
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Diesel Specialist
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Quote:
X2 its good to get on it during regen to blow the ash out...
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2011 GMC Denali LML "Mr. Mean" Summit White, Rancho 4" lift, Rancho RS9000 shocks, 305/60R20 Toyo AT's, 20x9 Black and Milled Fuel Mavericks, Banks Monster Exhaust, Tint, and Line-x (SOLD) 2007.5 LMM, LTZ, CC, Z71 "Big Red" Victory Red, GM Oval Side Steps Powder Coated Black, 6" Tuff Country Lift, Bilstein 5100's, Cognito Pitman & Idler Arm Braces, 20" Ultra Goliath's Powder Coated Black, Toyo 325-60-R20 AT's, PPE Level 3 w/ Air Box Mod, MBRP Turbo Back Exhaust, EGR Blocker Plate, ISSPRO LMM Series Matching Gauges, Transgo Jr. Shift Kit, PCV Reroute Kit , Front End Color Matched and 3M RockGuard |
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11-07-2012, 10:54 AM
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#9 (permalink) |
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Diesel Technician
Join Date: May 2004
Location: St. Louis Mo.
Posts: 470
iTrader Score: 0 reviews
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I've seen it a few times.
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2011 Chevy 3500 SRW CC/LB 4X4 LTZ Z71 Black/Ebony. Old Truck 2004.5 Chevy 2500HD D/A LLY CC SB 4x4 Edge. 2003 Corvette Coupe Electron Blue H/C 443/417 rwhp/rwtq. 2002 Yamaha YZ426F |
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11-07-2012, 09:42 PM
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#10 (permalink) |
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Diesel Master
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I'm only mentioning this in case some owners are in Mexico. It is normal when in Mexico to see clouds of white smoke during regeneration due to the higher sulfur content in Mexican fuel. Anyone in Mexico and worried about this, send me a PM.
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