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Home >> Subaru >> 2019 >> WRX STI Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 19 (Engine Control System (Diagnostics) (Except For STI) (1 Of 4)) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC P014C: A/F/O2 Sensor Slow Response - Rich To Lean Bank 1 Sensor 1 >> Execution Condition

Execution Condition

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Secondary parameters Execution condition
Battery voltage ≥ 10.9 V
Barometric pressure ≥ 75 kPa (562.6 mmHg, 22.2 inHg)
Operation time of main feedback ≥ 5 s
Engine speed ≥ 1000 rpm
Amount of intake air ≥ 10 g/s (0.35 oz/s)