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Home >> Subaru >> 2005 >> Outback R >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H6DO) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0442 Evaporative Emission Control System Leak Detected (Small Leak) >> Diagnostic Method >> Diagnosing function of CPC >> DTC

Diagnosing function of CPC: DTC

P0457 Evaporative Emission Control System Leak Detected (Fuel Cap Loose/Off) CPC functional diagnosis is performed by monitoring the tank pressure in Mode Z.