If your car has the 2.4 liter engine the coil cover can cause your problem. It could develop a hair line crack and cause a ignition missfire or cross fire two cylinders at same time. Its similar to a distributor cap on older cars.
RepairPal Certified shops can diagnose and repair your 2001 Oldsmobile Alero. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
replaced coil houising, it fixed the problem