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6.0L Power Stroke Diesel 2003 - 2007 F250, F350 pickup and F350+ Cab Chassis, 2003 - 2005 Excursion and 2003 - 2009 van

Excessive smoke

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Old Jan 3, 2007 | 11:51 AM
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alcantu
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Excessive smoke

I own a 2003 F350 with a 6.0 motor. Started off with rough idle in the mornings only about a month back but ran fine. Last night started running rough at idle (stop lights) with excessive smoke. At freeway speeds no smoke only under pressure ( cajon pass) but ran fine. Smoke is whitish/blue but turns dark if i step on gas. Any advice is appreciated.
 
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Old Jan 3, 2007 | 12:06 PM
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You might be getting some egr trouble. They have a tendency to coke up. The egr valve is in front, to the left of the intake elbow. Its got 1 plug, held down by 2 bolts.
 
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Old Jan 3, 2007 | 01:25 PM
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Is there a test that i can do or should I replace it now. You are problably right as far being the EGR. I was told by a Ford dealer a few months back when I was having some other work done that when the tech started it in the morning he noticed it the rough idle and had suggested it. If I go ahead and replace it, is there a gasket that is there and do i use sealant whe replacing it?

If there isn't a gasket can it be removed and inspected?

Before replacing, when i remove it is there another step I should do (cleaning) before I re install? Thanks for your knowledge?
 
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Old Jan 3, 2007 | 04:40 PM
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Thread moved to 6.0L PSD section.
 
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Old Jan 3, 2007 | 05:16 PM
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There is a cleaning procedure, but you will probably end up replacing it. There is a gasket, and no sealant is necessary.
 
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Old Jan 3, 2007 | 10:34 PM
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Take it to the dealership. It should still be under the engine warranty.

Mike
 
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