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Old 10-19-2003, 01:26 PM
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spark plug getting little spark

350 chevrolet,i have one spark plug #3 is not geting enough fire, so the engine runs with a shake which everyone thought was a vacume leak,its not.i changed the coil, plugs,wires cap and button.and yes i changed the plugs and wires around to make sure there wasnt a bad plug or wire.know what this could be?all help is needed

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Old 10-19-2003, 05:54 PM
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one weak spark?

You went through everything I would have suggested. Just curious but when did you change the cap and rotor? This problem was happening before you did all this right? I wonder what would happen if you changed the position of the wires on the cap all one button to the right and see if the bad spark goes to a different plug?


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