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not the best riding season for me another brake down need help

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  #11  
Old 09-13-2009, 06:04 PM
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anyone know how to test the crank sensor ? im having no luck with any instructions on how to read codes dont seem to work
 
  #12  
Old 09-14-2009, 07:54 AM
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if it has fuel or stater fluid and it has spark then most likely ecm timing issue, coils most of the time only fail when warm and then work when cool. it could be low spark voltage. did you check your fault codes? try starting with jumper cables?
 
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Old 09-14-2009, 05:15 PM
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ok its a fuel issue i think the injectors might not be geting power to open pump is pumping i dont know any clues hear?
 
  #14  
Old 09-14-2009, 05:46 PM
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it could be a fuse or relay if both injectors dont work, if fuel issue the it should fire over with starter fluid
 
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Old 09-14-2009, 06:14 PM
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Originally Posted by tk353
it could be a fuse or relay if both injectors dont work, if fuel issue the it should fire over with starter fluid
yes it did fire with starting fluid and i checked fuses and swaped relay
 
  #16  
Old 09-14-2009, 09:10 PM
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When you first turn on the key and the run switch, do you hear the fuel pump come up to pressure? It should run for 4-5 seconds before it hits full pressure. If you can't hear it run then the fuel pressure is not high enough to fire the injectors. My FLHTCUI had a heat sensor between the heads go bad. It tell the ECM its too hot and the fuel pump won't run. It sounds like it will run on starting fluid--it has to be fuel related. Put your head down by the tank and hit the run switch, you should hear the fuel pump.
 
  #17  
Old 09-14-2009, 09:19 PM
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there should be a quick disconnect on the injector hose just behind the horn. be careful not to break it as it cost $50. after you remove the connection and turn on the key it should pump like crazy. if it does then your down to the ecm or a sensor. you have 2 fuel injectors so i dont think both would go out. let us know what you find
 
  #18  
Old 09-14-2009, 09:59 PM
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ya checked all that fuel pump runs and spits fuel when i turn to run with dxed damm how much are ecm's ??
 
  #19  
Old 09-15-2009, 07:26 AM
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it could be a sensor telling it to cut off the injectors. ecm are not cheap but you should be able to find a used one from motor cycle salvage. you going to want to check for a pulse on the injector first. may require some test equipment like oscilloscope.
 
  #20  
Old 09-15-2009, 09:49 PM
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Is the fuel pump just spitting fuel? It should shoot fuel all over the place.
 


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