vqflores
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• Chandler, AZ, USA |
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• Registered on 7/12/2005 |
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• 2 posts |
• 1 Vehicle
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 Posted:7/13/2005 17:41 |
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My 05 X did exactly the same thing you describe. The noise reduction was accompanied by a small reduction on the idle speed. At first the problem only happened intermitently. After a while, the idle speed started oscillating between 500 and 900 RPM (low noise at the low RPM and normal at the higher RPM), occasionally almost stalling at the low RPM. A few weeks later the oscillacion started to occur at speed, especially while trying to hold a constatnt speed (it drove the cruise control nuts). Eventually, about 3 months ago, the problem occur often enough that i was able to take it to the dealer and showed them the problem. They told me it had a bad coil of some kind (not ignition since diesels don't have one, probably something to do with the injectors). That fix it!
Hope that helps.
-Victor
Ok, I looked for and found my receipt from the Ford dealer. It wasn't any kind of a coil (  oops!!, that was on another vehicle). They Replaced two parts on the Excursion:
4C3Z-9F452-A VALVE A 152613 (EGR Valve I think)
4C3Z-9J460-A SENSOR 157727 (Don't know which sensor it is)
-Victor  |
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Clevelandjim
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• Cleveland, OH, USA |
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• Registered on 1/19/2005 |
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• 5 posts |
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Posted:7/14/2005 20:10 |
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I had the same symptom the other day with my 2005 6.0 Excursion with 7500 miles. I don't honestly think it is the oil. I think it is the EGR valve acting up. |
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Douglas
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• St. Louis, MO, USA |
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• Registered on 3/13/2005 |
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• 3 posts |
• 1 Vehicle
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Posted:7/19/2005 12:16 |
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I had the same thing. It was BPV. There was a recall on it. It runs great again. |
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Tantrum
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• Bergen County, NJ, USA |
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• Registered on 7/26/2005 |
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• 52 posts |
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Posted:7/26/2005 13:12 |
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Im going to pick up a new '05 in the next day or two and noticed while test driving them that some seem louder that others. Hopefully mine will start out quiet 
2005 PSD Limited 4x4 |
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JohnBoy
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• DFW, TX, USA |
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• Registered on 9/3/2002 |
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• 972 posts |
• 2 Vehicles
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Posted:7/26/2005 14:53 |
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Hmmm...
we noticed the opposite...
in fact, My WIFE even commented how much quieter the 05 is than the 02 OR 03 X's we had....
2005 6.0L 4x4 Eddie Bauer Ex
2003 6.0L 4x4 Limited Ex - traded in (BooHoo)
"The Republicans should back off and let men marry men, women marry women, and legalize abortion. In three generations there would be no Democrats." |
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JDM
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• Naperville, IL, USA |
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• Registered on 7/7/2005 |
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• 4 posts |
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Posted:7/27/2005 00:08 |
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Sorry for not replying sooner my computer had a mind of its on. Victor, your description is exactly what I have experienced. I also noticed that it would momentarily idle rough before it would become noisy. While the truck was behaving in the manner you had described, the truck felt like it lacked power and not as responsive. I have changed the oil but it still occurs though sporadically. I will talk to my dealer regarding the EGR and BPV.
Thanks for everyones suggestions.
JDM |
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