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Home >> Pontiac >> 2009 >> Vibe Base, 2.4 0, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Control System & Fuel System - 1.8L (Lay) - Introduction) >> Description and Operation >> Evaporative Emission Control System Description >> EVAP Vacuum Leak Pump

EVAP Vacuum Leak Pump

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The vacuum pump is driven by a 12 volt brush less motor that is high side controlled by the PCM. The pump is a vane type design capable of producing at least 33.50 mm Hg (18 in H2O) of vacuum pressure.