white smoke - Ford Powerstroke Diesel Forum
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post #1 of 3 Old 05-04-2019, 02:39 PM Thread Starter
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white smoke

I have 1999 ford F-250 7.3. Today after had passed someone on the highway i noticed a weird rattling noise coming from what sounded the transmission, but it would only do this noise when i was trying to pass someone. After a couple of minutes right before i got home i noticed white smoke coming from my exhaust. I wasn't overheating and i had just fueled up too. I dont have any codes popping up. this smoke is constant when i am driving and doesn't let up when i am driving. any help is appreciated. vehicle has 320000 miles on it and the previous owner just replaced the turbo on it.
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post #2 of 3 Old 07-21-2019, 09:22 AM
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I have a white smoke problem too.
I'm still working through it.
White smoke could be steam from coolant in the combustion. Or unburnt fuel that vaporized.
Sweet smell in exhaust is coolant.
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post #3 of 3 Old 07-21-2019, 10:32 AM
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Ayup -- smell that exhaust and post back

In my defense, I was unsupervised
2006 F250 Lariat FX4 cclb
Torque Pro and OBDLink MX bluetooth monitor
General note:
For all those wanting a premium silicone sealer Kubota 70000-73764 is the best your gonna find. This is a hybrid gray silicone that uses solvent rather than acid to start the curing reaction, this makes it safe for aluminum and and any surface that involves coolant.
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