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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Jan 18, 2022
Grant Date -
Dec 5, 2019
app pub date -
May 31, 2019
filing date -
May 31, 2019
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Abstract
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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