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Home >> Subaru >> 2021 >> WRX Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (2.0L) (1 Of 4) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P015A: A/F/02 Sensor Delayed Response - Rich To Lean Bank 1 Sensor 1 >> Execution Condition

Execution Condition

EXECUTION CONDITION - DIAGNOSTIC METHOD 1

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)
EXECUTION CONDITION - DIAGNOSTIC METHOD 2

Secondary parameters Execution condition
Battery voltage
Barometric pressure
Main feedback
Engine speed
Amount of intake air
Change amount of intake air
≥ 10.9 V
≥ 75.06 kPa (563 mmHg, 22.2 inHg)
In operation
≥ 1000 rpm
≥ 20 g/s (0.71 oz/s)
and
< 100 g/s (3.5 oz/s)
≥ 0.5 g/s (0.02 oz/s)
EXECUTION CONDITION - DIAGNOSIS METHOD 3 (MT MODEL)

Secondary parameters Execution condition
Battery voltage
Barometric pressure
Main feedback
Vehicle speed
Engine speed
Amount of intake air
Status of catalytic converter monitor
≥ 10.9 V
> 75 kPa (562.6 mmHg, 22.2 inHg)
In operation
> 40 km/h (24.9 MPH)
≥ 1000 rpm and
< 4000 rpm
≥ 10 g/s (0.35 oz/s)
and
< 40 g/s (1.4 oz/s)
Not under diagnosis