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Home >> Subaru >> 2016 >> WRX Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H4DOTC) (WRX) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0441 EVAP System (CPC) Incorrect Purge Flow >> Execution Condition

Execution Condition

Secondary Parameters Execution condition
(ELCM switching valve for time) = Close ≥ 120 s
Purge control duty ratio > 0%
Barometric pressure - Manifold absolute pressure ≥ 10 kPa (75 mmHg, 2.9 inHg)
Integrated value of calculated purge airflow since engine start ≥ 72 g (1)
Ambient air temperature ≥ -25°C (-13°F)
Battery voltage ≥ 10.9 V
Fuel system status for time
= Fuel Cut
followed by Fuel system status
Fuel Cut
> 1 s
Barometric pressure ≥ 75.6 kPa (567.1 mmHg, 22.3 inHg)
(1) It takes approximately 2 min at 40 mph.