Black smoke
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Senior User
Joined: Sep 2004
Posts: 178
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From: Brownsville, Texas
Black smoke
I know that these trucks are diesels and you will get black smoke sometime or another but every day? Every take off from a dead stop (normal take off, not stomping it)? Every time I get on the go pedal to pass somebody? What could be causing this?
The truck is stock, it's a 2006, I'm running bigger tires (37's) but have always been running the same tires, it has 26000 miles on it.
Thanks
The truck is stock, it's a 2006, I'm running bigger tires (37's) but have always been running the same tires, it has 26000 miles on it.
Thanks
New User
Joined: Mar 2007
Posts: 15
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My 2007 stock F-250 xlt cc only puffs smokes when I jump on the pedal running b-10 approx. When I was running straight diesel it puffed smoke right off the dealer lot under normal acceleration. 2600 miles so far.
The company truck I drive, a stock 2006 F-550 5200 miles approx. puffs smokes every time I accelerate no matter what.
I would say puffing smoke under normal/hard acceleration would be normal and should stop after you have reached your desired speed.
I'am certainly not an expert, just my experience with the two trucks I drive.
The company truck I drive, a stock 2006 F-550 5200 miles approx. puffs smokes every time I accelerate no matter what.
I would say puffing smoke under normal/hard acceleration would be normal and should stop after you have reached your desired speed.
I'am certainly not an expert, just my experience with the two trucks I drive.
Hotshot
Joined: Dec 2003
Posts: 15,369
Likes: 121
From: Stuttgart, Ar
Some black smoke from accelleration is normal. Have you changed your fuel filter and checked your air filter for obstructions. You're down where it's NORMALLY hot and very dusty so your filter life will be shorter, but the stocker will take LOTS of dirt. Your bigger tires also cause a bigger load on the engine and the computer is commanding more fuel to get you started and it takes the air system/ turbo a bit to catch up. Think about it like this......Your injectors sit right in the cylinder. You mash the go pedal and the injectors are squirting fuel just a hair before the turbo can cram enough air in to burn it all. Since air has to go from turbo to intercooler back to engine it takes just that split second to get a little more fuel than there is air to burn it--hence the puff of black smoke. If you're blowing a steady stream of smoke under accel. then you have another problem of some kind.
Senior User
Joined: Feb 2007
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Black Smoke is extra fuel. You really see it on thost trucks at the tractor pull, they dump so much fuel in the engine there is plenty of it. http://www.youtube.com/watch?v=b1KJJssia9Y
You said that you had an aftermarket air cooler on it, what if the engine isnt tuned for this cooler air, you will have cooler air in the chamger and not all the fuel will burn. Also, if the EGR is unplugged or not working the air will be cooler, burn may not be compleate, black smoke. You could also have allot of soot in the exhaust system from not pulling or driving like a grandma.
People on this site say that you have to get on it every once in a while to burn off the soot. Get a trailer and do 90 on the turnpike for an hour or so... It may be just a dirty turbo.
You said that you had an aftermarket air cooler on it, what if the engine isnt tuned for this cooler air, you will have cooler air in the chamger and not all the fuel will burn. Also, if the EGR is unplugged or not working the air will be cooler, burn may not be compleate, black smoke. You could also have allot of soot in the exhaust system from not pulling or driving like a grandma.
People on this site say that you have to get on it every once in a while to burn off the soot. Get a trailer and do 90 on the turnpike for an hour or so... It may be just a dirty turbo.
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Senior User
Joined: Sep 2004
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From: Brownsville, Texas
I pull 9000 lbs. every other day! I drive like I stole it so it definetly is not that. The only reason I asked this question is because I never noticed it before, I took the truck in for white smoke blowing out of the exhaust but that was fixed (bad egr cooler) now because of that I keep looking for somke but all I see is the black smoke. Maybe I just need to get used to it again.
Thanks for the replys!
Thanks for the replys!
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Posting Guru
Joined: Jan 2007
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From: Gilbert Az.
possibly a sticking egr valve & or VGT actuator as this will affect boost levels & can cause a excessive amount of smoke, whats your boost look like? have you noticed a drop in low end power?
Mountain Pass
Joined: Sep 2003
Posts: 143
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From: So Cal
Diesel Kleen is supposeed to fix black smoke or decrease it. Plus it has lots of other benefits.
https://www.ford-trucks.com/forums/1...t-results.html
https://www.ford-trucks.com/forums/1...t-results.html
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Senior User
Joined: Sep 2004
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From: Brownsville, Texas
boost is normal, it goes up to 30psi without a problem. Maybe the egr valve? Who knows, I'll take it back in and see what they tell me. Before that though I will use diesel kleen and see what happens!
Tuned
Joined: Mar 2007
Posts: 342
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From: South central kansas
I am located in south central Kansas, truck has 66k on it now, bought it used (previous owner pulled with it a lot). Truck barely blows black when I put the pedal to the floor hard. Normal driving, if it is puffing it is too small an amount to see in the mirror. Only time I ever see it puff is when I romp on the pedal to blow the cobbwebbies out. I do use diesel kleen in mine though. I dump half of the small bottle in with every tank. Not much technical assistance, but gives you and idea of how truck acts in my area of the world.
Tuned
Joined: Jul 2006
Posts: 262
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Originally Posted by jgarza250
boost is normal, it goes up to 30psi without a problem. Maybe the egr valve? Who knows, I'll take it back in and see what they tell me. Before that though I will use diesel kleen and see what happens!
Try unplugging the vavle....