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Home >> Subaru >> 2020 >> Ascent Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (2 Of 4) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P04F0: EVAP System High Pressure Purge Line (CPC2) Performance >> Execution Condition

Execution Condition

SECONDARY PARAMETERS AND EXECUTION CONDITION - P04F0

Secondary parameters Execution condition
<High pressure side pressure system>
Battery voltage
Barometric pressure
Air intake manifold absolute pressure - Atmospheric pressure
Ambient air temperature
Purge control duty ratio
Elapsed time after the switching valve in
the leak check valve assembly opened
10.9 V or more
75.06 kPa (563.1 mmHg,
22.2 inHg) or more
30.05 kPa (225.4 mmHg,
8.9 inHg) or more
More than 4.4°C (39.9°F)
40% or more
More than 2500 ms
SECONDARY PARAMETERS AND EXECUTION CONDITION - P04F1

Secondary parameters Execution condition
<Low pressure side pressure system> Battery voltage
Barometric pressure
Atmospheric pressure - Intake manifold absolute pressure
Estimated ejector generation negative pressure
Ambient air temperature
Purge control duty ratio
10.9 V or more
75.06 kPa (563.1 mmHg,
22.2 inHg) or more
25.05 kPa (187.9 mmHg,
7.4 inHg) or more
1.5 kPa (11.3 mmHg, 0.4 inHg)
or less
More than 4.4°C (39.9°F)
40% or more
Elapsed time after the switching valve in the leak check valve assembly opened More than 2500 ms