LEMON Manuals
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WRX Premium, Standard Trans
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Repair and Diagnosis (Single Page)
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Engine Performance
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Diagnostic Trouble Code (DTC) Detecting Criteria (H4DOTC) (WRX)
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Diagnostic Trouble Code (DTC) Detecting Criteria
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DTC P04AC EVAP System (CPC) Purge Control Valve "B" Circuit Low
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Component Description
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Component Description
Fig 1: Identifying Evaporative Emission System Purge Control Valve Canister And Intake Manifold Air Flow Passage (Circuit Low)
Courtesy of SUBARU OF AMERICA, INC.