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Home >> Subaru >> 2017 >> Forester 2.0XT Touring >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System (Diagnostics) (P000A To P015B) (H4DOTC) >> 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

Secondary Parameters Execution condition
Battery voltage ≥ 10.9 V
Barometric pressure > 75 kPa (562.6 mmHg, 22.2 inHg)
Accelerator position > 0%
Operation time of main feedback ≥ 5 s
Engine speed ≥ 1000 RPM
Amount of intake air ≥ 10 g/s (0.35 oz/s)