Buick Park Avenue issue resolved by replacing coil pack and module, improved performance and idle on Buick Park Avenue

Some Buick Park Avenue owners report experiencing performance issues, such as stutters during acceleration or uphill climbs, which can often be resolved by replacing the coil pack and module. This common problem is frequently linked to the ignition coil and module, as well as the crankshaft sensor. Owners are advised to use genuine GM (A/C Delco) parts for these replacements to achieve optimal results. By addressing these components, owners can significantly improve idle quality and overall vehicle performance.