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Looses spark. give your opinion please.

933 Views 5 Replies 4 Participants Last post by  [email protected], 
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Working on a 71 chevelle with a 454. Has a HEI dist. After reving the car up it missfires. I checked with a spark tester and when it missfires it sparts 5-6 times then no spark 1-2 times then sparks again. My thought is it has a coil going bad. The module is possable but when they have gone bad on me they loose all spark. No missfire like this is doing.

Any other ideas?

Thanks Rich
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I replaced the module, coil, cap and rotor the problem is gone
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