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Home >> Subaru >> 2017 >> Forester 2.0XT Touring >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Engine Control System (Diagnostics) (P0171 To P0685) (H4DO)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0455 EVAP System (CPC) Leak Detected (Large Leak) >> Component Description

Component Description

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Leak check valve assembly consists of the pressure sensor, the reference orifice (diameter of 0.02 inch), the vacuum pump which introduces the negative pressure into evaporative emission system, and the switching valve which switches the passage to introduce the negative pressure.

Fig 1: Pressure Sensor Leak Check Valve Assembly Circuit Diagram
G11272789Courtesy of SUBARU OF AMERICA, INC.
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