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I keep blowing out my ICM Module

Tiny
AT WHITS END
  • MEMBER
  • 1999 CHEVROLET BLAZER
  • 4.3L
  • V6
  • 4WD
  • AUTOMATIC
  • 160,000 MILES
I was driving home from work, and car shut down. I towed it home. I found after testing The ICM failed. I replaced the module. And it started I took it for a test drive it seemed ok but while excellerating it died out and would not start. It has a new delco fuel pump and maintains 60 psi. I re tested and found again no spark further investigation I find ICM is failed again. What Could be causing the ICM's to fail?
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Sunday, December 1st, 2013 AT 10:41 AM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,164 POSTS
You may have gotten a bad module. Have you tried another to see if it made a difference?
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Sunday, December 1st, 2013 AT 11:50 AM
Tiny
CJ MEDEVAC
  • MECHANIC
  • 11,004 POSTS
JA PUT SOME OF THAT WHITE HEAT DISSIPATING COMPOUND ON THE BACK OF IT WHEN YOU INSTALLED IT?

THE MEDIC
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Sunday, December 1st, 2013 AT 4:39 PM
Tiny
AT WHITS END
  • MEMBER
  • 2 POSTS
Yes I have Replaced it 2x and used the compound on the back both times. I did not want to change it again unless I find cause of failure. @ $70 a shot getting expensive.
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Tuesday, December 3rd, 2013 AT 9:53 AM

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