Evaporation gas active purge system and active purge method
Abstract:
An evaporation gas active purge system may include a purge line of connecting a canister for absorbing an evaporation gas of a fuel tank to an intake pipe; a purge pump mounted on the purge line; a purge valve mounted on the purge line to be disposed between the purge pump and the intake pipe; a pressure sensor mounted on the purge line to be disposed between the purge pump and the purge valve; and a control unit of receiving a signal from the pressure sensor, and transmitting an operating signal to the purge pump and the purge valve, wherein the control unit controls the purge pump and the purge valve by an engine condition and a vehicle speed.
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