no spark
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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
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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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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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
jim
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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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