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3800 No spark

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Old 07-17-2011, 05:57 AM
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Default 3800 No spark
Ok here is the deal my 88 Buick park ave decided to die today. It has no spark. I replaced the coil pack,new crank sensor, checked all the grounds, ceck for injector pulse. Everything checks out fine but still no spark.
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Old 07-17-2011, 08:09 AM
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maybe your not getting the signals to the pack

https://www.gmforum.com/trouble-shooting-test-procedures-141/icm-test-299761/
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Old 07-17-2011, 08:09 PM
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replace ignition module and al the packs from another Buick now it will start but runs like it is out of time
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Old 07-17-2011, 09:38 PM
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Well i would check the coils on this ''new'' set you put on
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