I only have spark comming out of 3 and six, all others no spark 3800 engine

Asked by Dec 21, 2014 at 08:40 AM about the 2001 Buick LeSabre Limited Sedan FWD

Question type: Maintenance & Repair

engine will start, runs extremely ruff. only fires on one coil pack. already replaced the one coil

1 Answer

615

ECM. Engine control module. It is what the coils attach to.

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