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Old Apr 30, 2009 | 05:09 PM
  #16  
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Mydiesel250
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I used to have a 99 f250 psd and I had the same prob with it starting unless it was 70+ degrees outside. Turned out to be a clogged injector. Also that buzzing, It was VERY loud on my 250 it was consistantly random, if that makes any sense. I recently heard it on my excursion as well. It is almost not even audible on the excursion. honestly never looked into it but Ive always heard it. Im gonna hang around and hear what the pros have to say.
 
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Old Apr 30, 2009 | 05:37 PM
  #17  
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Originally Posted by Mydiesel250
I used to have a 99 f250 psd and I had the same prob with it starting unless it was 70+ degrees outside. Turned out to be a clogged injector. Also that buzzing, It was VERY loud on my 250 it was consistantly random, if that makes any sense. I recently heard it on my excursion as well. It is almost not even audible on the excursion. honestly never looked into it but Ive always heard it. Im gonna hang around and hear what the pros have to say.
Might be the elec fuel pump?
 
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Old May 1, 2009 | 02:22 AM
  #18  
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elec fuel pump as an electric fuel pump as compaired to a mechanical fuel pump.
 
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Old May 1, 2009 | 07:43 AM
  #19  
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Originally Posted by Visseroth
elec fuel pump as an electric fuel pump as compaired to a mechanical fuel pump.
Yes there is an electric pump to supply fuel to the injector pump.
 
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Old May 1, 2009 | 02:09 PM
  #20  
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I didn't know there were two pumps. I thought the fuel pump pushed it to the fuel bowl and then it was pushed by the same fuel pump into the fuel rails.
 
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Old May 1, 2009 | 02:21 PM
  #21  
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There is only one fuel pump.
The fuel pump relay is mounted in the dash in just about the spot that the original poster said that the buzzing was coming from.
It wouldn't at all surprise me if the fuel pump is not running due to no power.
Is the rollover switch tripped perhaps?
That pushbutton reset in the access hole on the passenger side kick panel.
 
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Old May 1, 2009 | 02:22 PM
  #22  
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Ahh, good idea!!! and thanks for the info.
 
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Old May 1, 2009 | 07:48 PM
  #23  
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Been SUPER busy... still gotta check batteries. I'll let ya'll know when I figure it out. Thanks for all the help!
 
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Old May 6, 2009 | 05:18 PM
  #24  
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Changed batteries... Problem solved! Thanks for the problem solving!
 
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