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Home >> Subaru >> 2012 >> Forester X, Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls (Diagnostics) (H4DOTC) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0139 O2 Sensor Circuit Slow Response (Bank 1 Sensor 2) >> DTC Detecting Condition
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DTC P0139 O2 Sensor Circuit Slow Response (Bank 1 Sensor 2): DTC Detecting Condition