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Home >> Subaru >> 2019 >> WRX STI Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 19 (Engine Control System (Diagnostics) (Except For STI) (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

Execution Condition

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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 ≥ 0.55 V
Time of fuel shut-off operation ≥ 5 s
Estimated temperature of rear oxygen sensor element when fuel cut starts ≥ 450°C (842°F)