09 F-350 blows white smoke - Ford Powerstroke Diesel Forum
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Old 05-02-2013, 12:42 PM
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09 F-350 blows white smoke

First of all I am new to diesels and this is my first post so I'm trying not to sound like a newb to much. I'm getting ready to buy a 6.4 and I test drove a CCLB today and it has the edge chip with the dpf removed. I left town and got on the freeway drove for about 2 miles when the truck said it was going to regen. I drove for about another 3 miles and got off the exit as I came to a stop the truck was spitting white smoke out of the exhaust. I turned left and went to the on ramp and it was still pouring white smoke. Got going around 60 and it was still smoking just not as bad so I stopped and shut the truck off.

I have never messed with a tuner but I hit the menu button and found my way to the power settings and it was on dpf present so I changed it to dpf off and it re-downloaded the #4 tune to the ecm. After I did that there was no white smoke all the way back to the dealership

My question is did the regen cause the white smoke or could it be blown head gaskets?? the truck has 117,000 miles on it so I want to hear your experiences with the 6.4 and what you think it could be causing the white smoke.

After talking to the salesman he said that the batteries died and they replaced both batteries, I have no idea if that has anything to do with it but wanted to let you guys know about that.

I purchased an H&S tuner at the first of the year because I want to go dpf delete but wanted to hear your thoughts on this truck, thanks guys!!
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Old 05-02-2013, 01:00 PM

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That definetly sounds like regen doing that. I believe its common to blow white smoke when the dpf is off, but a dpf "on" tune is programmed into the truck. It should be good to go, just dont drive it with the dpf on tune anymore!
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Old 05-02-2013, 01:16 PM
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It should not blow white smoke with the DPF removed. It will however blow white smoke sometimes during a regen but in my experience only when it's cold out. If the dpf is removed and it's still saying regen then something is not right. Like mentioned above it must still have a DPF on tune on it.
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Old 05-02-2013, 06:42 PM
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Sounds like the tune wasnt right to me....however you could always drive it another day and see if its doing it.
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Old 05-02-2013, 07:33 PM

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Yes white smoke is unburned diesel, the regen is accomplished with late post injection.
This means diesel is injected into the cylinder on the exhaust stroke so it will never combust.
Just be sure to have the appropriate tune selected and you are good to go
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