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1999 - 2003 7.3L Power Stroke Diesel  
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rough idol sometimes

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Old Nov 24, 2016 | 01:32 PM
  #1  
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rough idol sometimes

Morning, I have a 2000 F350 4x4 CC 7.3L 323,000 miles auto trans.
I have removed my tuner just to make sure that it was not the issue.
The truck will run fine then all of a sudden the idol will rise then fall or studder or go up and down and sometimes it will just Die but it always restarts. No trouble lights at all. I am not sure what is causing the issue?
Any Thoughts
Thanks Al
 
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Old Nov 24, 2016 | 04:50 PM
  #2  
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I'm thinking a hitch/harpoon mod, is in order. Sounds like fuel delivery problem to me
 
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Old Nov 24, 2016 | 06:09 PM
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What is the fuel level? I would start by checking the fuel filter. Then I would check out the fuel pump and see how it sounds after turning the truck on, but before starting the truck. Then, I would start to look at the Hutch/Harpoon mod.
 
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Old Nov 25, 2016 | 06:29 PM
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idol

OK Fuel level is full does it at any level of fuel. New fuel filter fresh oil change fuel pump sounds normal
also drained fuel bowl just to make sure no water
 
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Old Nov 25, 2016 | 07:18 PM
  #5  
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Check the valve in the middle of the filter under the cap in the bowl. There was one member here that his was "misaligned" and would not let fuel into the rails.
 
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Old Dec 4, 2016 | 02:34 PM
  #6  
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Found it I think
The electrical plug for the fuel heater came loose and was dirty and moving back and forth I cleaned it and reconnected it and so far my problem has not happened again. Hard to believe that was it but I hope so. Thanks for all the help.
Thanks Al
 
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Old Dec 4, 2016 | 08:40 PM
  #7  
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Any way of logging data for a while until it occurs? That could eliminate or confirm issues. Just thinking....
 
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