LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Bad ICM maybe?

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Old Apr 16, 2004 | 10:49 PM
  #1  
WhiteThunderZ28's Avatar
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Joined: Dec 2002
Posts: 252
From: BREW CREW, WI
Bad ICM maybe?

My ignition control module is makeing a loud ticking noise, no its not my rockers, but is this a sign that my module is on its was out???

I do have a flat spot when i accelerate from 2000 to 3000 rpms...

Just wanted your thoughts on this, Thanks
Old Apr 16, 2004 | 10:54 PM
  #2  
shoebox's Avatar
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From: Little Rock, AR
I don't guess I have ever heard one make a noise. <shrug>
Old Apr 17, 2004 | 02:40 AM
  #3  
1FstFormulaV8's Avatar
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From: Portsmouth, Ohio
I know the ICM is nothing more than a high speed switch. As for it ticking..I'm at a loss there. Coil maybe arching near there. My ICM did fine cold, then when it heated up, it went down the drain. It eventually failed.
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