6.0 losing power fast, and a whole lot of gray smoke! - Ford Powerstroke Diesel Forum
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Old 01-11-2008, 07:52 PM
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6.0 losing power fast, and a whole lot of gray smoke!

My uncle called me tonight with a problem with his comapany '05 6.0. He said the last two days it has been getting really sluggish and really smoking gray smoke! He had it completely serviced including fuel filters, with no change. He also said the fuel economy has dropped way down too. Could the turbo be going out?? I had some EGR issues with an '04 that resulted in low power and poor milage but I did not have excessive smoke. I told him about the org, so I would not be surprised if he joins tonight, he may even post this same senario for some feed back. Any ideas would be greatly appreciated!
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Old 01-11-2008, 07:54 PM
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Maybe dirty air filter.
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Old 01-11-2008, 08:18 PM
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Originally Posted by 2005F250 View Post
Maybe dirty air filter.
He said it has some kind of after market filter( I have never heard of the brand), looked dirty so he cleaned it, started it in the shop with no filter and it seemed to run even worse. Can this happen when it does not even have a filter in it? He is still waiting for the filter to dry.
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Old 01-12-2008, 06:12 AM
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Grey smoke is definitely fuel or oil. The 05 turbos are pretty reliable, so it may just need cleaning. They tend to gum up if they aren't "exercised" very often, meaning the vanes in the turbo will start sticking. Should still be covered under warranty, right? You can also take a look here.
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Old 01-12-2008, 06:42 AM
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Thanks I'll pass this info on to him!
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