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Home >> Subaru >> 2020 >> Ascent Base >> Repair and Diagnosis >> 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
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

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).