C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Crank but no spark

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Old 10-03-2012, 11:23 AM
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srucchetta
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Default Crank but no spark

Hey guys, this is the problem I am having with my c4. It doesn't happen all the time but on occasion my c4 doesn't start.

It cranks over but no spark. As soon as I install a new ignition module, it fires up right away.

I have a 383 stroker motor with a msd ignition. The last ignition module lasted a couple months and now I put an accel high performance module.

Hope that helps and hope to hear how I can fix this issue once and for all.

Thanks
Old 10-03-2012, 12:09 PM
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TorchRedlt4man
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There is no reason for an ICM lasting such a short time.

Some folks have had issues with the MSD.
Old 10-03-2012, 12:49 PM
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srucchetta
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It's an 87 vette
Old 10-03-2012, 03:35 PM
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DJ Walter Williams
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Can someone help. I have an "88 coupe with the same problem. Went to drive it to work this morning and it would not start. The dealer had it 2 weeks ago because it would not start, for 5 working day. They could not find a problem. It worked just fine for them. I am not a rich man or mechanic, so I can't afford the $85.00 just to look at it and find nothing. Nor do I have a clue what to do on my own.
Please Help! I love my Vette.

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