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Subaru
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2017
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Impreza Base, 4D Sedan, Standard Trans
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System (Diagnostics) (P2101 To U171F)
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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
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DTC P2196: A/F / O2 Sensor Signal Biased/Stuck Rich Bank 1 Sensor 1
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Execution Condition
Execution Condition
Secondary parameters
Execution condition
Battery voltage
10.9 V or more
Barometric pressure
More than 75060.3Pa (563mmHg, 22.2 inHg)
Main feedback
In operation
Amount of intake air
6g/s (0.21oz/s) or more
Estimated temperature of the rear oxygen sensor element
500°C (932°F) or more