2002 Buick lesabre check engine light flashing

Asked by May 09, 2017 at 05:04 PM about the 2002 Buick LeSabre Custom

Question type: Maintenance & Repair

My car shakes and the Check engine light flashing
and I replaced 2of the coil packs and still no
sparking and still doesn't work, what could it be?

2 Answers
15

answered about a month ago

If you have a P0300 OBD2 (multiple cyl misfiring) code, the ignition control module (ICM) probably needs replacing also. I mistakenly took my 2000 buick lesabre to a garage and they replaced 1 coil pack and the ICM ($750) and got it running fine, for 2 weeks. Then had the same problem. Then I followed some online advice and replaced all 3 coil packs and the ICM ($129 on ebay including the mounting bracket and fixed the problem.

Mark helpful
15

answered about a month ago

FYI: The coil packs bolt to the ICM. You can get a code reader for $15 on ebay. When a coil fails, it usually takes out the ICM too.

Mark helpful

Your Answer

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