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Home >> Subaru >> 2018 >> Outback 2.5i >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics) (P0171 To P0685) (H4DO) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC P0441: EVAP System (CPC) Incorrect Purge Flow >> Diagnostic Method
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Diagnostic Method

Judge as NG when the following conditions are established.

JUDGMENT VALUE SPECIFICATION

Malfunction Criteria Threshold Value
Evaporative Leak Check Module pressure (gauge) > -400 Pa (-3 mmHg, -0.1 inHg)
Purge gas integrated value* ≥ 3 g (0.11 oz)

* It is approximately 2 sec per the integration of purge to reach 1g at vehicle speed of 40 MPH.

Time needed for diagnosis:  Less than 1 second

Malfunction indicator light illumination:  Illuminates when malfunction occurs in 2 continuous driving cycles.