FixVault
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Saab
›
2001
›
9-5 Base, 4D Sedan, Automatic
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Repair and Diagnosis
›
Engine Performance
›
System
›
Engine Controls - Self-Diagnostics
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Fault Code Diagnosis
›
P0140: O2S Circuit - No Activity Detected, Sensor 2
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Fault Criteria
Fault Criteria
Accumulated voltage change less than 500 millivolts when the counter reaches 500 seconds.