White smoke?
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New User
Joined: Feb 2006
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From: Augusta County, Va.
White smoke?
I bought a 94 turbo F250 about 3 weeks ago. The truck has 130,000 miles on it. When starting cold, it blows a lot of white smoke then stops. After driving at speeds over 55-60 mph, or after more than a 1/2 hour of driving, it starts to blow white smoke again. On the 8th of this month at 6:00 am, I tacted it up to 3,000 RPMs a few times and and it did not blow white smoke all day until late night, and it was just one time when in 2nd gear. I did put a fuel additive in it with the current tank of fuel. It seems to be running better every day. Does the white smoke sound like something I should be worried about, and if so, what should I be worried about? Any info or ideas would be great. I have driven diesel before but never owned one. Thanks for any info. you can give me!!!!!!
Fleet Mechanic
Joined: Sep 2005
Posts: 1,509
Likes: 3
From: Ladner, British Columbia
Given your milage I think you are on the right track with the additive. Give it plenty and see if it will get the IP and Injectors cleaned up. It would be a good idea to take the truck on a long trip, open her up once in a while this helps clean things out.
Have you checked/changed your fuel filter?
And be patient, miracles don't happen overnight.
Hopefully this will cure things and you are not looking at a bigger problem that would require replacement of the IP and injectors.
Note can't overdo it on the additive, give her plenty.
Have you checked/changed your fuel filter?
And be patient, miracles don't happen overnight.
Hopefully this will cure things and you are not looking at a bigger problem that would require replacement of the IP and injectors.
Note can't overdo it on the additive, give her plenty.
Posting Guru
Joined: Sep 2002
Posts: 1,897
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From: Northeastern Pa - USA
the white smoke on start up might a be a cold cylinder (bad glow plug) and the cylinder is trying to fire the raw fuel with the help of a glow plug. AFter driving a while, might be an injector sticking and letting unsprayed fuel into the cylinder. A good dose of fuel conditioner (power service, diesel kleen stanadyne performance) will help loosen that up. They use it every tank full at recommended levels.
Thread Starter
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New User
Joined: Feb 2006
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From: Augusta County, Va.
Thanks for the info. The first few weeks of driving the truck, if I gave it a lot of gas, it would blow out so much white smoke that my wife said she could not stand to follow behind me becouse it would smoke her out. It seems to be doing alot better now but it does still have some white smoke. I'll keep adding the fuel additives and replace the glow plugs. They SAID that they changed the oil and filters when I bought the truck and I have put about 3300 miles on it. So, maybee I sould change that to. Thanks again for the information!!!
Fleet Mechanic
Joined: Sep 2005
Posts: 1,509
Likes: 3
From: Ladner, British Columbia
Note, a bad glowplugs would only cause white smoke during starting. Once the truck runs any white smoke is most likely unburned fuel due to poor injection pump and or injector performance.
Hopefully the additive will clean things up.
If not, a new IP and injectiors are not that expensive anymore.
Hopefully the additive will clean things up.
If not, a new IP and injectiors are not that expensive anymore.
Fleet Mechanic
Joined: Sep 2005
Posts: 1,509
Likes: 3
From: Ladner, British Columbia
For the 93 1/2 and 94 7.3l turbo motors you will need the "G" Code injectors. The spec should be on the sticker on the engine oil filler housing as well as stamped on each of the injectors themselves.
Don't mix turbo injectors with none turbo injectors and or IP's.
Don't mix turbo injectors with none turbo injectors and or IP's.
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Post Fiend
Joined: Nov 2003
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From: Nutter Fort, WV
Unless you have driven a non turbo truck, you have no idea how much you are feeling the turbo on your truck.
As far as black smoke anything more than a light black smoke is wasted fuel.
Some of us like a little more though.
I can make the vehicle following me disappear if I put it on the floor.
And to think, Lance Burton thinks he has a magic act making things disappear.
As far as black smoke anything more than a light black smoke is wasted fuel.
Some of us like a little more though.
I can make the vehicle following me disappear if I put it on the floor.
And to think, Lance Burton thinks he has a magic act making things disappear.
Fleet Mechanic
Joined: Sep 2005
Posts: 1,509
Likes: 3
From: Ladner, British Columbia
If I were to keep the hammer down on my 93 factory turbo with the WG disconnected you don't want to look back, you can turn the sunniest day into night for the guy behind you right until the IP cuts out.
Elder User
Joined: Aug 2005
Posts: 831
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From: Katy, Texas
Ive got the same problem with my 83, only when starting though. Im trying to convinve my dad that it is the glowplugs so hell fork over the cash to get new ones but yah hes hardheaded and wont believe me till he finds out for himself. I might show him this thread later just to prove im right. But yah thanks this helped me out too.
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New User
Joined: Feb 2006
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From: Augusta County, Va.
The more I run the truck the better it does. The guy who had the truck must not have run it much or just run it around the field or something. I am starting to feel the turbo come in and it smokes alot less now than it did 3-4 weeks ago. Im going to cut the intake and put the exhaust on this week. Can't wait to get it done, then see how it pulls. Got a big tractor to go pick up next week. Well see how it does!!