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I'm stuck. I have the bro in laws bonneville in the shop with no spark on the 1-4 coil. have replaced both the coil pack and ign module with no change. anyone have any other ideas?
 

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I've had the no spark out of a coil pack before but the ignition module was the problem. Sounds like you will have to check the wiring back to PCM.
 

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figure out the problem? I am have the same issue with the same coil... sorry for no noob post. just trying to get this fixed.
 
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