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help my 94 g-20 has week spark with intermitten full spark

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Old December 23rd, 2010, 10:43 PM
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Default help my 94 g-20 has week spark with intermitten full spark

this happened to my van 5 months ago and I changed the roter and dist.cap and van ran great till yesterday.I checked the roter and cap but found them still good.what else might cuase a week spark?appreciate any help I can get thank you.
Old December 24th, 2010, 9:06 AM
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a. coil
b. ignition control module
Old December 24th, 2010, 11:14 AM
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gonna try the icm today and keep my fingers crossed
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