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If you would like to help support Duramax Forum, get some sweet stickers for your truck and more priveleges on Duramax Forum.com, click here | | | 2001 - 2007.5 (GMT800) Non Powertrain Discussion of 01 to 07.5 Topics Not related to the Powertrain, interior, suspensions, body,wheels, tires, ect. |  |
01-18-2007, 11:42 AM
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eBay Motors
#1 (permalink)
| | Junior Member
Join Date: Jan 2007
Posts: 5
| excessive smoke I have a 2006 lbz duramax and since it was brand new it smokes excessively at an idle, and while driving. I have had it to the dealership many times but they say there is no problem. I added 4" exhaust, K&N FIPK, and an edge with attitude and still have the same problem. Any info would be greatly appreciated. Thanks. |
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01-18-2007, 01:33 PM
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eBay Motors
#2 (permalink)
| | Gear Jammer...
Join Date: May 2006 Location: Mt. Pleasant PA
Posts: 1,892
| It definetly should not smoke at idle, i would find another dealer! Smoke at idle would in most cases be caused by a bad injector or could also be a bad rail psi sensor!
__________________ 05 Chevy 2500HD dark blue reg cab ZF-6 speed/W South Bend Clutch ,Power by EFI Live W/Dsp2 , PPE GT4094R, ATS CP3x2, Modified Volant intake, MBRP front pipe, 4" side pipe, Holley Blue lift pump, Isspro gauges,Cognito Braces, SD Centerlink, Caltracs, ATS Tie Rod Sleeves Best ET 12.53@ 109 mph 04.5 Chevy 2500HD, silverbirch, D/A, CC/SB , EFI live, SCIV w/ATS 5Star converter,McRat shim mod, Wicked Diesels modded FPR, Kennedy dual lift pump, Modified Volant intake, Cognito Braces,CUD tie rod Sleeves, EGR BLocker,Diamond eye Down pipe, 4" dual exhaust, Elocker, MA Tcase Fix, B&W GN Hitch Best ET 13.53 @ 101mph |
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01-20-2007, 08:34 AM
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eBay Motors
#3 (permalink)
| | Junior Member
Join Date: Jan 2007
Posts: 5
| That is exactly my thoughts! I had thought a bad injector, or possibly computer mapping issues, but nobody at either dealership wants to spend enough time with the truck to figure it out, so I guess I am on my own!
Thank you very much for your help! |
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01-20-2007, 05:51 PM
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eBay Motors
#4 (permalink)
| | Senior Member
Join Date: Dec 2006 Location: Frankfort, Indiana
Posts: 134
| is it a blueish/gray haze or like black coal smoke
__________________ 06 Greystone Metallic, Reg. Cab 3500 SRW 4x4, EGR blocker plate, K&N intake, 4" full exhaust no muffler or cat. Bullydog Tripple Dog w/Outlook and Crazy Larry Program. 16x8 Eagle Alloys 186's. 265/75/16 Mastercraft Courser CT. Diamond plate bed caps and tool box. 5% tint on sides and over factory on back glass w/15% on the entire windshield. |
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01-23-2007, 05:58 AM
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eBay Motors
#5 (permalink)
| | Junior Member
Join Date: Jan 2007
Posts: 5
| The smoke is a bluish gray color , but it is turning my bumper and the back of the boxside black. I run my edge module on number 2 or lower all of the time except for the occasional honda that i may need to take care of , but that has only been once or twice since buying this truck. |
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01-23-2007, 08:45 AM
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eBay Motors
#6 (permalink)
| | Junior Member
Join Date: Nov 2006
Posts: 29
| i have a 2007 lbz and it also smokes exessively at idle. i have an edge, that i run on 2 or 3, a 4'' turbo back magnaflow with no muffler or cat, and a afe stage 2 intake system. if you find out what causes it let me know. |
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01-23-2007, 11:36 AM
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eBay Motors
#7 (permalink)
| | Junior Member
Join Date: Jan 2007
Posts: 5
| when i figure it out I will post it here! |
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01-23-2007, 04:07 PM
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eBay Motors
#8 (permalink)
| | Senior Member
Join Date: Dec 2006 Location: Frankfort, Indiana
Posts: 134
| mine does the same thing but never did until i put the straight through exhaust. ????? It could be that i dont worry bout it seems normal the tractors are also like that. We have a 1456IH with straight and it does the same thing. The new one w/muffler doesnt. Don't know seems like normal diesel to me.
__________________ 06 Greystone Metallic, Reg. Cab 3500 SRW 4x4, EGR blocker plate, K&N intake, 4" full exhaust no muffler or cat. Bullydog Tripple Dog w/Outlook and Crazy Larry Program. 16x8 Eagle Alloys 186's. 265/75/16 Mastercraft Courser CT. Diamond plate bed caps and tool box. 5% tint on sides and over factory on back glass w/15% on the entire windshield. |
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01-23-2007, 06:45 PM
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eBay Motors
#9 (permalink)
| | Junior Member
Join Date: Jan 2007
Posts: 5
| mine has done it even when it was stock. I do have 4" exhaust and i do still have the muffler on it. I also have friends with the exact same truck and mine is the only one that does it. Even my 03 that had straight exhaust and 150,000 miles did not do it. |
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