Misfire and/or Check Engine Light Due To Failed Ignition Coil on Buick Lucerne

An ignition coil may fail causing one of the cylinders to misfire. Each of the two banks of cylinders has its own coil assembly. If one ignition coil fails the coil assembly for the corresponding cylinder bank must be replaced.

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Average mileage: 88,000 (62,000–114,000)
Engines affected: 3.8L V6, 4.6L V8
3 model years affected: 2006, 2007, 2008
6 people reported this problem
2 people shared problem details
2006 Buick Lucerne- 4.6L V8
mis firing check engine light on
1 person likes thisFlag inappropiate
2008 Buick Lucerne- 3.8L V662,000
engine started and then stopped. had car towed to dealer where they had to replace one of the coils and the control module which was damaged due to coil shorting out.
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