An evaporative fuel vapor control system, purge valve and methods are described. The system has a series of even sized bins that can accommodate both small and large sheets. By using a status server or other network-based component to performing such updating, processing can be offloaded from the mobile devices and updates can be performed even when the mobile devices are not communicable with the systems being updated. The mechanical key includes clamp portions for clamping the first and second engagement projections.