Two problems related to check engine light on have been reported for the 1999 Oldsmobile Alero. The most recently reported issues are listed below.
Consumer states the check engine light illuminates. Dealership repaired.
The front brakes and rotors have been replaced twice. The brakes are vibrating again when you try to stop at a higher rate of speed. The check engine light and service engine soon have been on at least 6 times. The fuel injectors have had to be replaced 4 times.