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disable ignition coil

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Old 12-10-2018, 03:31 PM
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how do i disable ignition coils to do a compression check on a 2004 5.7 hemi
 
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Old 12-10-2018, 09:51 PM
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Unplug them.
 
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Old 12-13-2018, 08:34 PM
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Yes did just that. Was wondering if there was anything else to be aware of.
Thanks
 
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Old 12-14-2018, 10:00 AM
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May wanna disable the injectors as well, so your aren't washing down the cylinders.
 



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