Evaporative Emissions Control System Leak Check Module Including First and Second Solenoid Valves
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United States of America
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May 31, 2019
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May 31, 2019
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A system and method for leak check module including first and second solenoid valves. A first solenoid valve is configured to be coupled between a fuel vapor canister and atmospheric air for controlling air flow in a first flow path between the fuel vapor canister and atmospheric air. A pump is configured to be coupled to atmospheric air. A second solenoid valve is configured to be coupled between the pump and the fuel vapor canister for controlling air flow in a second flow path between the fuel vapor canister and atmospheric air through the pump.
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