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5.9L CR Performance Discussion of 5.9 Liter Dodge Cummins Diesels with Common Rail Injection Related To Performance And Longevity

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  #1  
Old 05-10-2011, 06:38 AM
nelson86m's Avatar
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Question Black smoke

My truck started smoking all the time, it is black smoke, not sure what would make it smoke black all the time, even at an idle u can see it, and under slight acceleration. i tried taking off the chip and no change at all, i have a 4in exhaust, AEM Brute Force HD Diesel Intake and Diablo Sport Predator Programmer , any help would be great, thanks

nelson86m's Sig:2013 F-250 Super Duty!!!
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  #2  
Old 05-10-2011, 08:15 AM
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try clean your air filter...

muddinfreak89's Sig:2003 Dodge Ram 2500 4dr short bed Diablo sport Predator/MP-8 stack, fass 150/250 industrials cp3 bag o parts upgrade, s&b intake elbow whistlen whilly stage 2 , thunder 330 turbo 7" mitres 6" lift and 37" bogger full billet trans with manual valve body 4.11 gears and arb air lockers( special thanks to Jason of Diesel Nut Motorsports)
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  #3  
Old 05-10-2011, 08:16 AM
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stuck open injector or leaking injector. some way or another your getting to much fuel or more fuel in then before or like mentioned above your air flow is to restriced

cummins freak's Sig:1996 PSD F-250 4x4 5sp mostly stock.
SOLD: '97 2500 CTD and '05 with a few mods! Miss them
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Old 05-10-2011, 08:22 AM
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also maybe try and run some seafoam and fuel system cleaner that might help
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  #5  
Old 05-10-2011, 08:42 AM
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check your MAF sensor... it could be dirty/oily and it could be giving the ECM weird readings

BriteWhiteRam's Sig:2006 Chevrolet Silverado LT 4x4 Crew, LBZ/ALLISON, PPE airbox mod, EGR blocker, EFI Live Tuned by me & Duramaxtuner
TOTALED:2005 Dodge Ram 3500 Laramie 4x4 quadcab, Cummins/modded 48re, edge/juice/attitude
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  #6  
Old 05-10-2011, 05:19 PM
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Air cleaner is clean, ill try cleaning the maf sensor and see if that will help.
also my fuel mileage went from 18 to 12mpg

---AutoMerged DoublePost---

Is there a way that i can check my injectors, to see if one is stuck open? also what should i use to clean the maf sensor?

Last edited by nelson86m; 05-10-2011 at 05:19 PM.. Reason: Automerged Doublepost
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  #7  
Old 05-11-2011, 11:39 AM
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maf I would try brake kleen
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  #8  
Old 05-11-2011, 03:43 PM
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They do make MAF cleaner... They should sell it at any parts store

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  #9  
Old 05-11-2011, 04:24 PM
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get an auto enginuity and do a injector test to test them, and maybe a maf reading

99stackedpowerstroke's Sig:2/03 6.0 4door short bed lariat, 4x4, fx4 package, arp studs, egr delete, AFE stage 2 intake, isspro trans temp, fuel pressure, boost, and pyro. sct tunner with custom tunes by idp. 4inch turbo back (true turbo back) 6inch tip.
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  #10  
Old 05-11-2011, 06:51 PM
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Originally Posted by brown guy View Post
maf I would try brake kleen
not so good of an idea, brake kleen can melt or damage the MAF, better to use MAF cleaner
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