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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

no spark

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Old Oct 25, 2010 | 11:15 AM
  #1  
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usc45cal
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no spark

hey guys new to the forum , ive seen some good info here so here it is ,im working on a 1990 f250 5.8 , no spark from coil or dist unless i pull the spout shorting bar out then i get spark , checked and replace ign module and stator , i have vref at module and key on power at both terminals of the coil , if i unplug the computer i get spark with or without the spout shorting bar in ?????? any help is appreciated , im leaning towards the eec comp , also i have power at the ground wire to the eec relay

jim

oh and now i have no injectors , i have fuel pressure !! he he thiss one is gettin fun

pulled eec relay apart and found it was burned in several spots so im gonna start here
 
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Old Oct 25, 2010 | 03:45 PM
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https://www.ford-trucks.com/forums/1...ont-start.html Have a read through the thread in this link. Pay attention to the posts by subford, he is one of the experts here.
 
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Old Oct 25, 2010 | 04:47 PM
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good reading , looks like im on the right track , i replaced the bad eec relay with minimal results, and ordered a computer , thanks big guy that was big help and reassurance i was on the right road

jim
 
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Old Oct 27, 2010 | 11:53 AM
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new computer and still no spark with spout plugged in
 
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Old Oct 27, 2010 | 12:04 PM
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Club FTE Silver Member

I find myself distracted by your username and the strong need to see some HK pics.
 
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Old Oct 27, 2010 | 12:05 PM
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he he not too many people know what it means
 
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Old Oct 27, 2010 | 05:20 PM
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found low voltage at injectors , traced it to the left rear injector under the evap solenoids , it rubbed on the mounding bracket and was shorting out , when i put 12 volts to it all injectors came alive and truck started
 
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