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Home >> Subaru >> 2016 >> WRX STI >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Diagnostic Trouble Code (DTC) Detecting Criteria >> 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 < 120000 ms
Purge control duty ratio >0%
Barometric pressure - Manifold absolute pressure ≥ 17.3 kPa (130 mmHg, 5.1 inHg)
Integrated value of calculated purge airflow since engine start ≥ 130 mmHg (1)
Ambient air temperature ≥ -25 °C (-13 °F)
Battery voltage ≥ 10.9 V
Fuel system status for time ≥ 1000 ms
= Fuel Cut  
followed by Fuel system status  
Fuel Cut  
Barometric pressure ≥ 75.1 kPa (563 mmHg, 22.2 inHg)
(1) It takes approximately 2 min at 40 mph.