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Home >> Subaru >> 2017 >> WRX Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (P000A To P015B) (2.0L) >> 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

Diagnostic method 1 and 2 

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 ≥ 7.5 g/s (1 oz/s)
and
< 40 g/s (1.4 oz/s)

DIAGNOSIS METHOD 3 (MT MODEL ONLY) 

Secondary parameters Execution condition
Battery voltage ≥ 10.9 V
Barometric pressure > 75 kPa (562.6 mmHg, 22.2 inHg)
Main feedback In operation
Vehicle speed > 40 km/h (24.9 MPH)
Barometric pressure > 75 kPa (56301 mmHg, 221.7 inHg)
Engine speed ≥ 1000 rpm
and
< 4000 rpm
Amount of intake air ≥ 7.5 g/s (0.3 oz/s)
and
< 40 g/s (1.4 oz/s)
Catalyst depletion diagnosis Not under diagnosis