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Home >> Subaru >> 2018 >> WRX STI >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (1 Of 4) (STI) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P013F: O2 Sensor Delayed Response - Lean To Rich Bank 1 Sensor 2 >> Execution Condition
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Execution Condition

Secondary parameters Execution condition
Battery voltage ≥ 10.9 V
Main feedback In operation
Rear oxygen sensor voltage when fuel cut has completed ≥ 0.15V
(Time of fuel shut-off operation ≥ 3000ms
Fuel shut-off function after the experience above) Not in operation
Estimated element temperature of rear oxygen sensor when fuel cut has completed ≥ 500°C (932°F)
Amount of intake air ≥ 28g/s (0.99oz/s)