White smoke

Clifford_6.4

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Hey guys I was driving home from my girlfriends house this morning and I was at a light started going look in my mirror and there was white smoke the trucks running fine what could that be ?

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Clifford_6.4

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No mods bone stock just ordered all my deletes ...smoke wasnt that heavy it was just floating around

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mcdaniel1991

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Could it be condensation?:poke: Not much info given here. Was the truck up to operating temp yet? Has it done this before or just starting to do it?
 

Clifford_6.4

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Sorry haha ya it was up to temp it hasn't happened before but ive only had the truck for 3 weeks it cleared up after a few minutes

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Jbenso127

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Could be turbos chittin the bed.. Check for oil dripping off the down pipe..

Or could just simply have been a heavy regen.. I've seen them put off a unusual amount of smoke just doing a simple regen.

I highly doubt egr failure or head gaskets on a bone stock truck but stranger things have happened!
 

forcefed6.4ford

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It's likely humidity couped with cold. We get these threads every winter and guys new to their trucks get all worried.

As for turbos or blow head gaskets.... Very very unlikely. Why don't you guys tell him his cylinders are washed and his rings are gone. That way he can look forward to a new short block and he can stress over nothing. If the truck is running fine and your not pushing coolant. Relax. Unless the exhaust is warmed right up. And by that I mean over 600deg. They usually blow a little white "smoke" or condensation.
 
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Jbenso127

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It's likely humidity couped with cold. We get these threads every winter and guys new to their trucks get all worried.

As for turbos or blow head gaskets.... Very very unlikely. Why don't you guys tell him his cylinders are washed and his rings are gone. That way he can look forward to a new short block and he can stress over nothing. If the truck is running fine and your not pushing coolant. Relax. Unless the exhaust is warmed right up. And by that I mean over 600deg. They usually blow a little white "smoke" or condensation.


He said it was after it was up to operating temp. Never seen white smoke from condensation when a truck has been drivin awhile.. Just shortly after initial start up. He asked for advice. Better to give him give things to look at rather then having him thinking it's nothing wrong and having something a lot worse happen. I'll be sure to not post in any of your threads but do us a favor and don't tell anyone else how to post in other peoples threads asking for a more broad insight then just "oh all it is, is condensation" when it could very well (but hopefully not) more than that.

And for the record, I suggested more than just worst case scenario.

OP, next time it happens, see if the smoke as any type of unusually odor, and also, check the downpipe for any signs of oil dripping from exhaust. How many miles are on the truck? Likely nothing is wrong but it doesn't hurt to be proactive and catch something if it need be caught!
 

forcefed6.4ford

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Thanks for the lecture. Perhaps a better post would have been. 1) what's the ambient temp? 2) are you loosing coolant? 3) is it raining or is the humity high currently.

Perhaps starting simple and easy first as opposed to raising the alarm would be prudent.

My truck will puff clouds of steam all day depending on the temp outside. Turbos don't stop smoking when they are giving out and blow head gaskets usually come with loss of in cab heat. Given the season and what the op gave for symptoms I would put money on temps over other diagnosises provided.

As for never seeing a truck smoke after initial start up? Not all of us are fortunate to live in 80deg weather year round... Luck bastard.
 
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Clifford_6.4

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It was about mid 40s I havent noticed any oil I'll check tomorrow morning the truck has about 79000 miles on it hasn't rained in a few days

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Jbenso127

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Thanks for the lecture. Perhaps a better post would have been. 1) what's the ambient temp? 2) are you loosing coolant? 3) is it raining or is the humity high currently.

Perhaps starting simple and easy first as opposed to raising the alarm would be prudent.

My truck will puff clouds of steam all day depending on the temp outside. Turbos don't stop smoking when they are giving out and blow head gaskets usually come with loss of in cab heat. Given the season and what the op gave for symptoms I would put money on temps over other diagnosises provided.

As for never seeing a truck smoke after initial start up? Not all of us are fortunate to live in 80deg weather year round... Luck bastard.


1. I never suggest head gaskets or egr failure.. Read my post. Said it was highly unlikely.

2. Have you ever driven a truck still equipped with a dpf with turbos passing a little bit of oil? I have. My last truck did it. Smoke was intermittent.

3. I said the most likely scenario was regen, and to check the odor of the smoke. And it doesn't take but a minute to check for signs of other failure. If there is something to be found, better to find it now... But I'm sure we can all agree when I say I hope it is nothing! I'm sure it is nothing but it doesn't hurt to check.

4. You don't know where I go in the United States. Florida is just home. I travel all over for work. I'm currently in Oklahoma and last year this time, I was in Wyoming. I'm far from a lucky bastard in that aspect. LOL

Not trying to have a pissing match with you forcefed... I apologize if it came off that way.. :cheers:
 

Clifford_6.4

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I drove it another 20 miles and it didnt smoke while driving it said (cleaning exhaust filter) so maby it was just dirty. Maby oil in the exhaust?

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griz700rocket

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It could have been just a normal regen but at those ambient temps and with it already up to operating temps I doubt it. I would definitely look toward failed turbo seals. I hope previous owner didn't pass off a truck with problems since you said you have only owned it for three weeks.
 

Jbenso127

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I drove it another 20 miles and it didnt smoke while driving it said (cleaning exhaust filter) so maby it was just dirty. Maby oil in the exhaust?

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Like I said in my other post, it could have just been a heavy regen. More than likely all it is. A lot of guys I work with let their trucks idle A LOT with their DPFs still on and their trucks will get to smokin pretty good when they get clogged up and starting regening.
But when you get a chance, check the downpipe and other exhaust connections for any signs of oil leaking.
 
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Just to add to the thread... Its good that the smoke was temperary, thats a good sign. But my old 08 6.4 did the exact same thing to me. I only had to for a couple months. Came to a stop sign and took off and noticed some smoke. Went to a drive thru less than a 1/4 mile down the road and it started smoking white. except mine never quit smoking. Once it would warm up, it would smoke. Ended up doing a simple blowby check with the oil fill cap upside down and man it would blow the cap off like a guyser. needless to say, its gone now and iam in a 6.7.
 

Clifford_6.4

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I checked the exhaust for oil didnt see any..idk what it could be ...I guess my muffler bearings are going bad haha :p :what:

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Since its running fine I doubt it would be an issue, but its easy an free. Pull the oil cap off and put it upside down over the hole. If it blows out of your hand you have excessive blowby which could be a few things. Like I said though since its running fine I doubt that's your issue
 
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