Misfire Due to Failed Ignition Coil on Pontiac Bonneville
Problem overview
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.
18 people reported this problem
4 commentsPontiac Bonneville vehicles with this problem
Average mileage: 107,822 miles
(62,000 - 151,073)
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