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

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

 

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Average mileage: 139,000 (129,000–150,000)
Engine affected: 2.0L 4 Cylinder Turbo
3 model years affected: 2001, 2003, 2004
5 people reported this problem
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2003 Saab 9-3 - 2.0L 4 Cylinder Turbo 150,000 mi,
Turbo indicator would only go half way. And car would loose power. Where I would have to turn it off and on after waiting a few seconds to get the turbo to fully work how it should