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Home >> Pontiac >> 2006 >> Vibe Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Engine Control System - 1.8L (LNK) - Introduction (2 Of 2)) >> Description and Operation >> Evaporative Emission (EVAP) Control System Description >> EVAP Canister Vent Solenoid Valve

EVAP Canister Vent Solenoid Valve

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Fig 1: View Of EVAP Canister Vent Solenoid Valve
GM1456208Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Fuel Tank Pressure (FTP) Sensor
2 EVAP Vacuum Leak Pump Assembly
3 EVAP Canister Vent Valve Port to Canister

The EVAP canister vent valve is an integral part of the EVAP vacuum leak pump assembly (2). The vent valve controls the flow of clean air into or out of (3) the EVAP canister. The vent valve is normally open. Under certain conditions the PCM commands the vent valve closed in order to seal the EVAP system for leak diagnosis.