Symptoms of a bad icm? - Maintenance and Repair Forum

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Symptoms of a bad icm?
Saturday, February 28, 2009 3:48 PM
Hey whats up guys?
I keep throwing a misfire on cylinder 4(2.4l).It has new coils,tower,plugs,boots etc.I checked for vacuum leaks and didnt find any.Im thinking of throwing in a new icm and see how it solves my problems.Its the original icm(98),so im thinking it might have something to do with it.The car does run rough,and it throws the check engine light on when the car is idling or at a steady speed on the highway.May be the tower could be defective and causing the misfire?Anyone have any advice on how to fix this?Thanks alot.


Peter
'06 Cobalt ss/sc W/G85 Package
Gm Stage II W/2.79" Pulley
K&N Drop In Filter
Custom Magnaflow Dual Exhaust


Re: Symptoms of a bad icm?
Saturday, April 18, 2009 5:11 PM
what is ICM mean?

thanks


~1996 Cavalier LS 2.4L (auto)

Re: Symptoms of a bad icm?
Sunday, January 20, 2013 7:25 PM
did you ever figure out the problem? i am thinking of replacing my ICM next i am having a similar problem as you.


~1996 Cavalier LS 2.4L (auto)

Re: Symptoms of a bad icm?
Thursday, January 24, 2013 12:29 PM
Ignition control module.
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