Civic si only sparking once.

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Old Aug 27, 2012 | 08:57 PM
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Ryan559's Avatar
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Default Civic si only sparking once.

91 civic Hatch Si
Jdm ls swap

Just got an Si shell, put my motor in it that was in my previous ef and got an si harness from my friend. I Have fuel just no spark. When I stick a screw driver in the spark plug wire socket and jump it, as soon as it cranks it sparks once then stops. every cylinder does this.

Ive never had this problem so any ideas?

The shell had a k series in it before i bought it but the cabin harness wasnt cut it was just spliced so all of the wiring is intack and looks fine. Ive cleaned all of the ground. tried to swap coils and that didnt help. Ive checked over the si harness and everything seems fine.

Also the spark is weak. (orange color)

So any input would be great. Thanks
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Old Aug 28, 2012 | 12:04 AM
  #2  
tom the bomb92's Avatar
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Default

Originally Posted by Ryan559
91 civic Hatch Si
Jdm ls swap

Just got an Si shell, put my motor in it that was in my previous ef and got an si harness from my friend. I Have fuel just no spark. When I stick a screw driver in the spark plug wire socket and jump it, as soon as it cranks it sparks once then stops. every cylinder does this.

Ive never had this problem so any ideas?

The shell had a k series in it before i bought it but the cabin harness wasnt cut it was just spliced so all of the wiring is intack and looks fine. Ive cleaned all of the ground. tried to swap coils and that didnt help. Ive checked over the si harness and everything seems fine.

Also the spark is weak. (orange color)

So any input would be great. Thanks
same thing happend to my car but it had a d15b in it and the ignition control went out so I had to buy a new distributer. it fixed the problem tho.


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Old Aug 28, 2012 | 10:59 AM
  #3  
Ryan559's Avatar
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Default Re: Civic si only sparking once.

Thanks for the reply. I'm gonna try and test that today.
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