White smoke question???
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Freshman User
Joined: Dec 2007
Posts: 29
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From: Toccoa, GA
White smoke question???
I have a 2005 F-250 Powerstroke Diesel. On 2 occasions (separate days, different temps) I've had a billow of white smoke come out the exhaust when I cranked up. The engine seemed to cough or shimmy for about 5 seconds and then it was fine, no more white smoke. Like I said, it's done this twice, once was on a really cold day and it had been sitting over the weekend. The other was about a 50 degree day. Is this something that I should take to the dealership to get checked out. Seems like I've read something on this board about white smoke=bad things.
Thanks!
Thanks!
Senior User
Joined: Dec 2003
Posts: 410
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You will notice some white smoke when head temps are low and you are accelerating. I see it often in diesels when they have be idling- coolant temp may be up, but head temp is low.
It is not a problem at all. But remember, the less you stress a cold engine, the better off you will be.
-mike
It is not a problem at all. But remember, the less you stress a cold engine, the better off you will be.
-mike
Elder User
Joined: Oct 2004
Posts: 563
Likes: 3
Could be a few GPs going bad. This would cause a rough start, and the accompanying white smoke. If it clears almost instantly its more than likely glow plugs.
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Senior User
Joined: Dec 2003
Posts: 410
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You will notice this condition even with good injectors and glow plugs if you have been idling in low temps and you then accelerate with low head temperature. The increased idle speed when cold/stationary has made this more of a non-issue. I remember the '97 trucks would really lay on the white smoke after idling for a couple of hours in sub-zero temps and then pulling onto the highway loaded.
-m
-m
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