patrickclay buick gs Posted May 20, 2013 Report Share Posted May 20, 2013 hey i have a buick regal gs 92 the car sputters alittle come to find out #5 and #1 has no spark coming out question do i change the coil pack or the module? Quote Link to comment Share on other sites More sharing options...
RobertISaar Posted May 20, 2013 Report Share Posted May 20, 2013 you can easily have only one side of a coilpack function normally, i just replaced one myself. Quote Link to comment Share on other sites More sharing options...
RareGMFan Posted May 20, 2013 Report Share Posted May 20, 2013 I would start with the coil pack, because you can basically test that for free. Swap it around with one of the other coils, and see if the problem follows that coil to the new location. If yes, it's the coil, and you need to replace it. If no, then it's most likely the ignition control module. Quote Link to comment Share on other sites More sharing options...
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