The light came on Friday, I called the dealer immediately and I have a service appointment for Monday. The last time, the only thing the computer told them about was the Mass Airflow Sensor, which they replaced. I'd like to know if there is something else that they should check that the computer mig...

I just purchased a 2005 S80 from a dealer. I felt nothing wrong when I test drove it, but right after I bought it, there was a very rough idle -- steering wheel noticeably shaking, idle between 600-700 rpm -- and the check engine light came on. I took it back to the dealer and they replaced the Mass...