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Subaru
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2018
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WRX Base
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Repair and Diagnosis (Single Page)
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Engine Performance
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System
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Engine Control System (Diagnostics) (2 Of 4) (Except For STI)
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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
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DTC P0451: EVAP System (CPC) Pressure Sensor/Switch Circuit Range/Performance
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Execution Condition
Execution Condition
Secondary parameters
Execution condition
Elapsed time after ignition switch is turned to ON
= 0.5 s
and
< 60 s
Soaking time
= 60 s
Evaporative Leak Check Module vacuum pump
Not in operation
Evaporative Leak Check Module switching valve
Open
Purge control
Not in operation