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Home >> Subaru >> 2017 >> WRX STI >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (P000A To P015B) (2.5L) >> 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

Secondary parameters Execution condition
Battery voltage ≥ 10.9 V
Barometric pressure > 75.1 kPa (563 mmHg, 22.2 inHg)
Closed loop control with main feedback (3000 ms or more) In operation
Engine speed ≥ 1000 rpm
Amount of intake air ≥ 10 g/s (0.35 oz/s)
Accelerator pedal position > 0%