Systems and methods for coordinating remote fuel delivery to vehicles
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United States of America Patent
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Dec 11, 2018
Grant Date -
Mar 15, 2018
app pub date -
Sep 14, 2016
filing date -
Sep 14, 2016
priority date (Note) -
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Abstract
Methods and systems are provided for diagnosing functionality of a vehicle fuel system and a vehicle evaporative emissions system, and one or more components thereof, subsequent to refueling a vehicle fuel tank, and wherein the refueling event may comprise a remote refueling event. In one example, after completion of the refueling event, the fuel system and evaporative emissions system are sealed from atmosphere and from each other, and pressure is monitored in both the fuel system and evaporative emissions system in order to indicate the presence or absence of undesired evaporative emissions in both the fuel system and evaporative emissions system, and to indicate whether the fuel system is effectively sealed from the evaporative emissions system. In this way, costs associated with vehicle repair may be decreased, and undesired evaporative emissions to the atmosphere may be reduced.
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