New ICM Now?? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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.

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Old 10-06-2004, 09:08 PM   #1
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Default New ICM Now??

When I rev up my engine even tho I have regapped 1.5 year old plugs and brand new wires I get a chugging noise....Seems to idle fine but when acceling or reving in park I get a chug... Should I get a junked ICM and see what happens? I tried switching the coilds around and that didnt work...
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Old 10-07-2004, 12:48 PM   #2
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Im going to get one now.... oh well
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Old 10-07-2004, 12:50 PM   #3
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My opinion is that isn't your ICM.....Maybe fuel related? Like a plugged fuel filter or a pump goin out maybe?
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Old 10-08-2004, 12:16 AM   #4
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New Pump and my fuel pressure is good...
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Old 10-08-2004, 02:44 AM   #5
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Try cleaning your tb and MAF and IAC? Sounds like maybe it could use a good scrubbing.
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