Black smoke observation
#1
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Black smoke observation
I notice that with my 07 5.9 that it puts out some good black smoke, not blinding my any means, when I tow a steep grade the FIRST time after having not towed for a week or so. Sometimes it leaves a haze on my white trailer in between washes. I can pull a grade and get smoke then pull another similar grade a few miles down the road and get nothing... Is my truck just blowing out the soot that has collected in the pipe and the CAT?
#2
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My 2007 5.9 liter ram 2500 does the same thing. i will let my dad use the truck sometimes, and he doesent get it above 2200rpm. lol and then when i drive it when he get back i hit it, black smoke comes pouring out. and a lil later, i hit it, absolutely nothing. i think it is a carbon build up of smoke in the CAT. so thats y im taking my CAT off soon =). let u know how it works out w/o CAT
#3
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My '06 is the same way. Sometimes it smokes, sometimes it doesn't. Usually it smokes more after driving easy for a while. It may also have something to do with the third injection event. From what I've read it fires only sometimes and very late in the combustion cycle.
#7
Same here, 70 mph cruise set for a few miles then mash it...lots of smoke for a second or two. I can mash it again soon after and nothing,dunno but it's kinda cool, makes me feel like I've got a big boy's truck!
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#9
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I have learned to use the black smoke to my advantage when someone is following way to close. Nice to slow down just a bit and stomp it and leave them in the black smoke. Love it when the their windows are down or the white car looks like it just got washed. I believe they get the message to back off a little.
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