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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 P015A A/F/O2 Sensor Delayed Response - Rich To Lean Bank 1 Sensor 1 >> Execution Condition

Execution Condition

EXECUTION CONDITION - DIAGNOSTIC METHOD 1 AND 2

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%
EXECUTION CONDITION - DIAGNOSTIC METHOD 3

Secondary parameters Execution condition
Battery voltage ≥ 10.9 V
Barometric pressure > 75.1 kPa (563 mmHg, 22.2 inHg)
Main feedback In operation
Vehicle speed > 40 km/h (24.9 MPH)
Engine speed ≥ 1000 rpm and < 4000 rpm
Amount of intake air ≥ 10 g/s (0.35 oz/s) and < 40 g/s (1.41 oz/s)
Status of catalytic converter monitor Not under diagnosis