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Diagnostic Trouble Code Detecting Criteria
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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
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.