2006 6.0 blowing some black smoke - Ford Powerstroke Diesel Forum
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Old 07-30-2013, 11:25 AM
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2006 6.0 blowing some black smoke

So i haven't had this truck very long, seems to be in great shape and very well maintained and all stock from what it seems. It doesn't show any symptoms of the usual 6.0 problems (bad oil cooler, egr cooler, head gasket ect). When i got the truck, i did the usual maintenance (oil, oil filter, fuel filter, air filter looked very clean maybe new, and cleaner my egr valve which was very black and dirty). Truck ran even better. From playing around some, i noticed it would barley noticeably put out black smoke at wot. Today when i drove it, it seemed to smoke some at every take off from stop, i dont think it did this before, even some smoke on just normal take off. No power lose, turbo still spooling up the same and maintaining its usual psi. I know when my 7.3 had a boost leak it was very obvious. Is this something i should be concerned about? I do have a blue spring fuel pressure regulator kit that i havent installed yet, could that fix my problem? is it even a problem? any opinion would be appreciated
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Old 07-31-2013, 08:35 AM
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6.0 trucks have some turbo lag on take off especially if you are punching it. On gradual take off the puff of black smoke is barely noticeable, but there. When accelerating on WOT there might be a bit of turbo lag as well. Not a big deal unless you hear a loud pop and lose an intercooler boot. Then you will know it by a lot of black smoke.

Check the boots on the turbo and R&R if they look cracked otherwise just run it. My turbo was cleaned out less than 9 months ago and it still takes until I am through the intersection for the turbo to catch up. On a stock tune truck this is kinda normal.
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Old 07-31-2013, 08:44 AM
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Maybe bad fuel. I know if I put Murphy diesel in my rig she will smoke like a freight train. If your truck is running fine it is probably just bad fuel. Pull the codes and monitor ficm voltage.


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Old 07-31-2013, 09:11 AM
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Well I was worried that I may have put a small crack in my cold side intercooler pipe from over tightening it (haven't upgraded to a metal one yet). I made about a two hour drive last night, filling up with fresh fuel and adding some kleen diesel first. My turbo was maintaining boost but not building up as much as usual and still blowing more smoke than normal. Well as I've done my usual driving today I've noticed it is building up boost better and the smoking seems to be back to normal. Turbo was hitting around 22-23psi at near wot, wasn't quite standing on it. So I'm gonna write it off as bad fuel and maybe my turbo had some carbon build up that I blew out. Still probably gonna check my intercooler tube just to be safe, plan on going to a metal soon anyways.
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Old 07-31-2013, 09:19 AM
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Would my truck be throwing codes if the check engine light isnt on?
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Old 07-31-2013, 09:33 AM
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Quote:
Originally Posted by eli_harper13 View Post
Would my truck be throwing codes if the check engine light isnt on?
Not necessarily you could throw a code with out a light. You need a good monitor and a good code reader. Check out sticky on monitoring a 6.0.


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Old 07-31-2013, 10:33 AM
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What should my ficm voltage be?
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Old 07-31-2013, 11:05 AM
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Check this out.

http://www.ficmfixer.com/testing.htm
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Old 07-31-2013, 12:57 PM
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awesome, thanks a lot!
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