How much black smoke is normal? - Ford Powerstroke Diesel Forum
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Old 08-08-2013, 03:06 AM
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How much black smoke is normal?

Just installed a DPF delete. 4" straight pipe from Down pipe to muffler. (Muffler back is still stock). Running the DPF-R plus with econ tune from Gear Box Z.

Truck is blowing a ton of black smoke when accelerating from a standstill and when I give it that little extra punch to get the turbos howling. I expected some black smoke for a while as the sytem blows out the build up from years of running with a DPF. But have put on about 100-150 miles since delete and still blowing smoke.

Is this normal? Will it eventually subside? Can this be any signs of another issue? Truck runs great. Lots of power, etc.

Last edited by mikemass; 08-08-2013 at 03:12 AM.
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Old 08-08-2013, 04:16 AM
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I am guessing because they are not full custom tunes from someone like Gearhead this is normal. I know I saw a 6.4 on the highway Monday and dude got on it and smoked like a bonfire. I get on mine with custom tunes from Gearhead and I get a tiny puff of black smoke for about 2 seconds and gone. And I mean barely noticeable.

I know the guy who was smoking hard had some $$ in his rig, it was lifted, really nice wheels/tires, and was already a King Ranch model, with a lot of exterior body mods too. So I would guess he was just running something similar, or a tune that wasn't tuned to give little to no smoke.

Even when I have my custom Tow tune loaded I barely get any smoke from a standstill when towing 10K.
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Old 08-08-2013, 04:22 AM
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Cool. I guess I'll keep an eye out for performance issues. But as of now performance is great. And if I see any patrol cars around I'll just have to drive it like an old lady.
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Old 08-08-2013, 04:41 AM
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Go back to stock and see if it still smokes.

Most tunes produce tons of black smoke on hard accelerations.
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Old 08-08-2013, 04:51 AM
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I would be nervous going back to stock without the Cat/DPF attached.
1. It would immediately throw codes with the sensors not in the exhaust pipe.
2. What if it decided at that moment to go into regen mode without the DPF attached?
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Old 08-08-2013, 05:03 AM
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Quote:
Originally Posted by GSchretter View Post
Go back to stock and see if it still smokes.

Most tunes produce tons of black smoke on hard accelerations.


DO NOT go back to stock without reinstalling your DPF/CAT. Good gravy, you're going to make the poor man cause his truck to run like crap! The truck should not smoke at all with DPF installed on stock tuning.
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Old 08-08-2013, 05:09 AM
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LOL... I didn't want to say it so bold. Last thing I want is this going into regen and blowing flames out the tailpipe!

Correct, when I was stock with DPF on, it wasn't black what so ever.

Last edited by mikemass; 08-08-2013 at 08:45 AM.
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Old 08-08-2013, 05:20 AM
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Quote:
Originally Posted by mikemass View Post
LOL... I didn't want to say it so bold. Last think I want is this going into regen and blowing flames out the tailpipe!

Correct, when I was stock with DPF on, it wasn't black what so ever.
Kind of thought that was assumed.
To me that's common sense.

Sorry for not detailing every single step.

Thanks for the correction, is my grammar and spelling okay or did you find faults there as well

Geez...
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Old 08-08-2013, 05:32 AM
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Quote:
Originally Posted by GSchretter View Post
Most tunes produce tons of black smoke on hard accelerations.
I'm gonna have to disagree with you on that. Most tunes for these trucks run pretty clean with just some minimal smoke.
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Old 08-08-2013, 05:38 AM
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Quote:
Originally Posted by Echo View Post
I'm gonna have to disagree with you on that. Most tunes for these trucks run pretty clean with just some minimal smoke.
My turn to troll..

"MOST" not all.
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