Coil pack not working
50

Asked by Rebekah May 11, 2021 at 07:19 PM about the 1995 Buick LeSabre

Question type: Maintenance & Repair

Hi. One coil pack on our 1995 Buick LeSabre keeps
going bad and I was wondering if anyone knows
what's causing this?

1 Answer
155,265

james answered 2 years ago

Are you sure the coil packs are failing? Have you checked the primary and secondary residence on the bad coil packs? If they are truly bad my first suspect would be the ignition control module (ICM). The coil packs sit directly on top of and plug into the ICM. You should also replace the 3 coil packs together. If one goes bad the other two are soon to follow. If the coil packs are good, you probably just need a tune up. A tune up consists of new spark plug wires and new spark plugs. A new PCV valve should be installed as well for preventive maintenance. Hope that helps! Jim

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