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  #1  
Old 06-12-2010, 09:40 PM
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7.3 white smoke

i have a 2003 f350 with a 7.3 and it just started blowing white smoke under acceleration..I checked the compressor wheel and the turbo is fine no oil in the fuel bowl and its not missing or blowing white smoke all the time..All gauges and temps are good.. Any ideas??
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  #2  
Old 06-12-2010, 10:10 PM
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Re: 7.3 white smoke

Take a whiff of your exhaust, let us know what it smells like.
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  #3  
Old 06-15-2010, 04:15 AM
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Re: 7.3 white smoke

Took a quick smell...didnt really notice anything different?
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2003 F350 7.3 single cab long bed dually manuel fx4. Stage 2 afe intake, stage 1 160 beans injectors, forged rods, dp tuner, 4" straight pipe, wicked wheel turbo upgrade with 1.0 non-wastegated, itp overboost inhilitaor, isspro gauges, southbend clutch.

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Old 06-18-2010, 01:03 AM
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Re: 7.3 white smoke

Any ideas guys?
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  #5  
Old 06-18-2010, 01:11 AM
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Re: 7.3 white smoke

does it run rough? any other symptoms?
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  #6  
Old 06-18-2010, 01:11 AM
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Re: 7.3 white smoke

Fuel pressure?
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  #7  
Old 06-18-2010, 01:49 AM
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Re: 7.3 white smoke

check fuel pressure guarentee its either clogged injectors fuel line or filter had my 2001 do the samething got a bad batch of fuel had to pull the fuel bowl clean that the lines going to each head and the screen in the ports...
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Old 06-19-2010, 01:59 AM
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Re: 7.3 white smoke

Okay thanks for the imput guys..Symptons: Runs fine, doesent sound any different and no loss in power. Under hard accell it blows white mixed with black and when its in neutral if i rev it a puff of white comes out with some black. Fuel bowl was clean and so was the filter. I did notice this was only on the higher tuner setting..When i was on stock setting since it doesent blow any black smoke, doesent blow any white either
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  #9  
Old 06-19-2010, 02:44 AM
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Re: 7.3 white smoke

with the truck running, at full operating temperature...

unscrew the oil fill cap from the passenger side valve cover...if it has a steady haze (oily mist) then you're in not bad shape...

however...if there is a puff, puff, puff. (as if there is moderate pressure behind it)...then I'm afraid that you've probably lost a cylinder (rings, cylinder walls or cracked piston)...

any oil consumption (or "making" oil?)

when compression is gone in a cylinder...the fuel that the injector is injecting into that cylinder can increase the oil level in the crankcase.

take care~

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  #10  
Old 08-07-2010, 02:49 AM
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Re: 7.3 white smoke

My truck does the exact same thing. It blows some white smoke sometimes just like yours. I cant figure it out but I may replace injectors.
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