LEMON Manuals
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Subaru
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2010
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Outback R
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Repair and Diagnosis (Single Page)
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Engine Performance
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System
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Diagnostic Trouble Code (DTC) Detecting Criteria (H6DO)
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Diagnostic Trouble Code (DTC) Detecting Criteria
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DTC P0139 O2 Sensor Circuit Slow Response (Bank 1 Sensor 2)
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Component Description
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Component Description
Fig 1: Air Fuel Ratio Graph
Courtesy of SUBARU OF AMERICA, INC.