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Home >> Subaru >> 2017 >> Forester 2.0XT Touring >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Engine Control System (Diagnostics) (P0171 To P0685) (H4DO)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0441 EVAP System (CPC) Incorrect Purge Flow >> Execution Condition

Execution Condition

WARNING: This page is about a different variant/trim than selected.
Secondary Parameters Execution condition
(Evaporative Leak Check Module switching valve for time) = Close
< 120000ms
Purge control duty ratio > 0%
Preconditions
(The condition is to close the intrusive Evaporative Leak Check Module switching valve)
Battery voltage value
≥ 10.9 V
Barometric pressure ≥ 75.1kPa (563mmHg, 22.2inHg)
Integrated value of calculated purge airflow since engine start ≥ 72g (2.54oz)(1)
Barometric pressure - Manifold absolute pressure ≥ 6.7kPa (50mmHg, 2inHg)
((Fuel system status for time) = Fuel cut
≥ 1000ms
followed by Fuel system status) Fuel cut
Ambient air temperature ≥ -25°C
(-13°F)
(1) It takes approximately 2 min at 40 MPH