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Discussion Starter #1
This is my first time on this site, I have a 01 Duramax, Im running a Edge/Attitude,AFE stage 2. When stoping at stop light the truck runs ruff and puffs blue smoke,but while driving seems fine. changed fuel filter and gas station, didnt make any differencs. It does not do it all the time.
Does any body Know anything about this?
 

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Kind of sound like its got a cam, IE lope? Would bet on the fuel pressure regulator.
 

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May be an injector going bad. If you get one wacked out it will cause that.
 

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could be a bad glow plug. kinda lke if you have a misfiring cylinder on a gasser. any codes?
 

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I don't know that much about the internals on diesels, but if a gasser is blowing blue smoke, it's burining oil, like valves or rings. I've always heard of injector issues blowing white smoke.
 

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Discussion Starter #6
I do not have any codes, but did unplug Edge Did not do it as bad but did it a few times in about 50 miles. no big cam in this one, but what is IE lope?
 

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Check you oil to insure no fuel is in the crankcase.
 

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what he said, sniff your oil.
 

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IE, In Example, lope. As in a high duration camshaft. Sounds like your getting excess fuel, check injector rates. Or possibly oil blowby
 

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Discussion Starter #10
Hey Thanks guys you have been great help.
 

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Discussion Starter #11
Hey guys I checked my oil and no sighns of fuel smell in crank case, does that really show a sign of
bad injectors? I was going to go snowmobiling
pulling about 5000 pound trailer, maybe not a good idea for this weekend, what do you think?
 
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