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1999 - 2003 7.3L Power Stroke Diesel  
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intermittent problem

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Old Aug 8, 2011 | 11:43 AM
  #1  
dagren99's Avatar
dagren99
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From: Virginia - SW (Riner)
intermittent problem

2001 7.3L symptoms:
stalls while idling, stumbles occasionally while driving but otherwise seems fine.

We thought CPS but after swapping that with no effect we're thinking IPR but the symptoms don't seem right since it drives fine otherwise

Suggestions or are we headed in the right direction?
 
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Old Aug 8, 2011 | 11:50 AM
  #2  
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Deluxe06
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From: Albemarle NC
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Your tin nut on the IPR could be lose, also check the ICP plug for evidence of oil if there is oil in the plug it could be sending a bad signal.
 
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Old Aug 8, 2011 | 11:51 AM
  #3  
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Have you done the .50cent mod?Do you get a CEL?


https://www.ford-trucks.com/forums/8...ck-shakes.html
 
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Old Aug 8, 2011 | 11:58 AM
  #4  
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dagren99
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No CEL which is why we keep thinking CPS but this truck does have its original IPR. We've looked things over but it sounds like another round is in order.
 
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Old Aug 8, 2011 | 12:08 PM
  #5  
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Deluxe06
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You could give this a try.

http://www.dfuser.com/Install%20Guid...0Regulator.pdf
 
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