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Home >> Subaru >> 2017 >> Forester 2.0XT Touring >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System (Diagnostics) (P0171 To P0685) (H4DOTC) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P04F0 EVAP System High Pressure Purge Line (CPC2) Performance >> Execution Condition

Execution Condition

Secondary Parameters Execution condition
(Common condition: Phase 1, Phase 2)  
Battery voltage ≥ 10.9 V
Barometric pressure ≥ 75.06 kPa (563 mmHg, 22.2 inHg)
Fuel level ≥ 9 L
<Phase 1>  
Integrated purge air amount since engine starting ≥ 72 g((1))
Time of purge control duty ratio = 0% ≥ 1 sec
Ambient air temperature > 4.4°C
and
< 35°C (95°F)
Intake air amount per 1 second > Map
High pressure purge line valve Open
(1) It takes approximately 2 min at 40 MPH.
MAP SPECIFICATION

Fuel level (%) 15 17 33 50 67 83 100
Fuel level (L) 9 10 20 30 40 50 60
Intake air amount per 1 second (g/s) 80 80 60 60 60 60 60