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Home >> Subaru >> 2017 >> Legacy 2.5i Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 14 (Engine Control System (Diagnostics) (P0161 To P0685) (H6DO)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0430 Catalyst System Efficiency Below Threshold Bank 2 >> Execution Condition

Execution Condition

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Secondary Parameters Execution condition
Battery voltage ≥ 10.9 V
Barometric pressure ≥ 75.1 kPa (563 mmHg, 22.2 inHg)
Amount of intake air ≥ 10 g/s (0.35 oz/s)
and
< 50 g/s (1.76 oz/s)
Estimated catalyst temperature ≥ 510 °C (950 °F)
Vehicle speed ≥ 40 km/h (24.9 MPH)
Estimated temperature of the rear oxygen sensor element ≥ 500 °C (932 °F)
Sub feedback (bank 2) In operation
Experiences the following conditions after experiencing all of the above conditions
Rear oxygen output voltage after fuel cut (bank 2)
≥ 0.55 V