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2021
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WRX Base
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Repair and Diagnosis (Single Page)
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Engine Performance
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System
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Engine Control System (Diagnostics) (2.0L) (1 Of 4)
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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
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DTC P014C: A/F/02 Sensor Slow Response - Rich To Lean Bank 1 Sensor 1
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Execution Condition
Execution Condition
Secondary parameters
Execution condition
Battery voltage
Barometric pressure
Operation time of main feedback
Engine speed
Amount of intake air
Change amount of intake air
≥ 10.9 V
≥ 75.06 kPa (563 mmHg, 22.2 inHg)
≥5 s
≥ 1000 rpm
≥ 10 g/s (0.35 oz/s)
≥0.5 g/s (0.07 oz/s)