[carnut]

Hard to diagnose on line. You need to purchase a service manual, not an owners manual. The manual will walk you thru being able to short out each cylinder to locate the source of the miss. This car has very complete on board diagnostics for those that are mechanically competent. If you are not, the book will help your technician not guess at the problem. A good muffler shop can determine a plugged cat. converter. How old is the fuel filter. A plugged filter will restrict power but not cause a miss.