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Home >> Subaru >> 2020 >> WRX STI >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (2.5L) (1 Of 4) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P013A: O2 Sensor Slow Response - Rich To Lean Bank 1 Sensor 2 >> Execution Condition
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Execution Condition

Secondary parameters Execution condition
Battery voltage ≥ 10.9 V
Current calculation time of the rear oxygen sensor heater after starting ≥180000 ms
Rear oxygen sensor voltage when fuel cut starts ≥0.55V
Time of fuel shut-off operation ≥5000 ms
Estimated temperature of rear oxygen sensor element when fuel cut starts ≥500°C (932°F)