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Home >> Saab >> 2005 >> 9-2X Linear, 251, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine (Diagnostics) - 2.5L >> Diagnostic Procedure With DTC >> DTC P0139: O2 Sensor Circuit Slow Response (Bank 1 Sensor 2) >> Wiring Diagram: >> Check Any Other DTC On Display
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Check Any Other DTC On Display

Is any other DTC displayed? 

YES 

NO. Go to next step.