LEMON Manuals
: Even more car manuals for everyone: 1960-2025
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2013
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Legacy Base, Automatic CVT Trans
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Repair and Diagnosis (Single Page)
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Engine Performance
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Testing & Diagnosis
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Diagnostic Trouble Code (DTC) Detecting Criteria (H4DO)
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Diagnostic Trouble Code (DTC) Detecting Criteria
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DTC P0140 O2 Sensor Circuit No Activity Detected (Bank1 Sensor2)
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Component Description
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Component Description
Fig 1: Oxygen Sensor Electromotive Force Versus Air Fuel Ratio Graph
Courtesy of SUBARU OF AMERICA, INC.
Courtesy of SUBARU OF AMERICA, INC.