Check Engine Light due to Oxygen Sensor Failure on Saab 9-3

Problem Description and Possible Solution

The Check Engine Light may illuminate because of oxygen sensor failure. There may be no drivability symptoms detected though gas mileage may suffer.


Problem Data
RepairPal Verified
Average mileage: 133,500 (129,000–138,000)
Engine affected: 2.0L 4 Cylinder Turbo
3 model years affected: 2001, 2003, 2004
5 people reported this problem