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Home >> Subaru >> 2017 >> WRX STI >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (P0171 To P0685) (2.5L) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0452 EVAP System (CPC) Pressure Sensor/Switch Circuit Low >> Outline Of Diagnosis
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Outline Of Diagnosis

Detect the open or short circuit in Evaporative Leak Check Module pressure sensor.

Judge as NG if out of specification.