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Old 11-10-2011, 12:27 PM
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disconnected wire

On my "new to me" 2004 250 SD 6.0 I was changing the oil and fuel filters and noticed wire not plugged in to a round unit just in front of the oil filter. When I plugged it in I could here some kind of alarm like noise. I would sure like to know what the unit is and what I may be into here. I purchased the truck from a dealer so it is possible the wire was disconnected to mask some issue. I did have the truck gone over at a Ford dealership before I bought it so it is also possible that the wire was disconnected then.

My hearing sucks so I'm not sure what the noise is - just seems to be like an alarm noise. I have been driving the truck for about a week now and had never heard it before I plugged this in.

If it is a heat sensor it would be odd that it was going off because all the gauges seem to be at normal temperatures.

Hope you guys can give me an insight because when I called the Ford dealership they were useless and just wanted me to bring it in. Thought that was a little weird because I was asking if it was safe to drive without ruining the motor - the response was "don't know you'll need to bring it in so we can tell.
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Old 11-10-2011, 12:39 PM
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A picture would be nice.
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Old 11-10-2011, 01:21 PM
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A picture

Hope this works:[IMG]<a href="http://s799.photobucket.com/albums/yy279/Purplesagereview/?action=view&amp;current=IMG_0691.jpg" target="_blank"><img src="http://i799.photobucket.com/albums/yy279/Purplesagereview/IMG_0691.jpg" border="0" alt="Photobucket"></a>[/IMG]

Last edited by purplesage; 11-10-2011 at 01:36 PM.
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Old 11-10-2011, 02:01 PM
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Cant see pic from phone will check computer.
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Old 11-10-2011, 02:11 PM
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sounds to me like he is talking about the egr valve, BUT a picture would tell us for sure.
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Old 11-10-2011, 02:34 PM
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Yep - EGR valve

Pretty dumb I know - just new to this so can't help it I guess. It is the egr valve and I guess I can just leave it disconnected until I need to pass inspection but who knows whether it is disconnected because it was failing or if the previous owner thought it was just a good thing to do.
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Old 11-10-2011, 02:41 PM
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Some say cooling fan wont cycle correcty unplugg ed. Mine wont boost
Over 22 unplugged. I think it pushes valve open? Turned it off with sct.
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