98 Buick Regal GS Code P0303 Misfire HELP!

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Sep 17, 2011 | 05:55 PM

#21

Rawben

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I guess I can't edit my prior post. DH said he DID replace the ICM. So, all has been done above. Any other suggestions?

Sep 17, 2011 | 08:53 PM

#22

Danthurs

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From: Sheboygan Wisconsin

From time to time a bad ICM can cause a misfire on one cylinder.

Sep 20, 2011 | 07:09 AM

#23

gojo83

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From: Cheyenne, Wy.

maybe the crank sensor is going out. just a thought.

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