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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Whats the problem?

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Old Apr 1, 2018 | 10:04 AM
  #1  
boybowser's Avatar
boybowser
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Mountain Pass
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Whats the problem?

I have a 97 F250HD with 7.3 powerstroke. It will get very jerky, (almost like a miss) during normal driving then smooth out. I am convinced it is related to fuel. Seems if I replace the filter (filters dont seem that bad) it is fine for a while, then right back to where I was, most prominent during cold days. Also it never gets much above about a quarter on the temp gauge, even on a three or four hour drive across the state. both fuel tanks have been replaced, Also seems more prominent on the rear tank, wondering if the fuel pump could be the culprit. Any suggestions greatly appreciated.
 
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Old Apr 1, 2018 | 12:41 PM
  #2  
tjc transport's Avatar
tjc transport
i ain't rite
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check the under valve cover wire harness connections. they are known to burn up causing a loss of injector control.
 
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