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1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

ICM? PCM?

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Old 05-17-2020, 10:58 PM
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Originally Posted by NeedforFieros
Thanks fellow Mechanics. I am a hack but I certainly enjoy diagnosing the problem and then replacing the parts. Thanks for the encouragement. I changed the ICM and ta Daaa . it runs smoootly.
Woohoo!
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Old 05-18-2020, 11:12 AM
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On that module the plate on the bottom is the source for ground. We clean up the corners where it bolts and the four ears on the block. If the module has any problems with the ground it can cause premature failing and or other ignition issues.
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Old 05-18-2020, 01:41 PM
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Does the new ICM come with paste to put between the ICM and coil packs?
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