2003 6.0,no power when cold,hard miss at cruise - Ford Powerstroke Diesel Forum
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Old 10-11-2013, 05:49 PM
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2003 6.0,no power when cold,hard miss at cruise

Hi, I have a 2003 6.0 with 189,000 miles. When it is cold it has no power. It also will smoke white/blue smoke at random. When it does this I step down on it and it cleans up and takes off. At steady throttle has hard miss that cleans up on acceleration. I just did egr delete and now its worse. Any help..thank you.
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Old 10-12-2013, 07:08 AM
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What are your FICM voltage readings?
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Old 10-12-2013, 12:45 PM
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48V..thought might be it but tested ok...wondering bout turbo service?
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Old 10-12-2013, 08:28 PM
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Stuck turbo vanes can cause the same issues your having. When was the last time it was cleaned?
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Old 10-13-2013, 07:38 AM
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Should have been 4 days ago when had it off doing egr delete..but didnt know was necessary. Just learning as I go on diesel. Going to do ffuel return spring while I have it back apart also. Do I need whole rebuild kit for turbo to clean it? Or just orings? Thank you for help.
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Old 10-13-2013, 08:11 AM
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Cleaning the turbo is fairly simple. What your looking for is a worn unison ring first off. Using a wire wheel or small grinding wheel to clean the carbon build up on all surfaces. Using a thin film of Anti Seize is also recommended.

Here's a pdf that will show you what to look for, and the cleaning process.

https://www.dropbox.com/s/dnkrvsvszs...%20rebuilb.pdf
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Old 10-13-2013, 08:20 AM
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I watched a youtube video on how to do it yesterday..wish had known when had it off..but not too difficult to pull again
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Old 10-14-2013, 06:32 AM
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Quote:
Originally Posted by PHYRMN View Post
What are your FICM voltage readings?
At idle, when cold?
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Old 10-14-2013, 01:02 PM
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When I pulled intercooler line loose at the intake to do fuel pressure spring change I found little bit of oil in it. Is this a cause for concern?
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Old 10-14-2013, 01:04 PM
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No, its very common.
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