Could my ignition coil be going bad?

1985 ISUZU TRUCK
120,700 MILES
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ISUZU8595
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Ive made sure all my spark plugs are perfect, my carb is leaned out perfect, wires r good and everything is all good but it still runs and idles rough. and when i took the ignition coil off well its 27 years old and the liquid inside of it shakes all over.
May 16, 2012 at 2:38 AM
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RASMATAZ
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Replace the coil-start here
May 16, 2012 at 2:44 AM
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ISUZU8595
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So is that the only thing so far? or what else could it be
May 16, 2012 at 2:56 AM
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RASMATAZ
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Start by replacing the coil or check the coil's primary and secondary winding resistances to be sure-Dunno about you but I will change it

https://www.2carpros.com/articles/engine-misfires-or-runs-rough
May 16, 2012 at 10:23 AM