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Home >> Subaru >> 2020 >> Ascent Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (2 Of 4) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0441: EVAP System (CPC) Incorrect Purge Flow >> Execution Condition

Execution Condition

Secondary parameters Execution condition
Battery voltage Barometric pressure
Integrated purge gas amount since engine starting
(Duration of purge control duty ratio = 0%
Purge control duty ratio from above) Ambient air temperature Time when the switching valve in the leak check valve assembly is closed
10.9 V or more
75.06 kPa (563.1 mmHg,
22.2 inHg) or more
40 g (1.41 oz)(1) or more
3000 ms or more
Not equal to 0%
More than 4.4°C (40°F)
Less than 20 s
(1) It is approximately 2 sec per the integration of purge to reach 1 g (0.04 oz) at vehicle speed of 64.4 km/h (40 MPH).