A fuel supplying controller detecting a clogging of a fuel filter includes a period setting portion setting a non-detection period where a clogging detection is prohibited, an ambient-temperature detection portion detecting an ambient temperature of an exterior of a vehicle, and a residual-fuel detection portion detecting a residual-fuel quantity in a fuel tank. The PCBs are removably secured through a clamping mechanism that may be a screw type or cam lever action by clamping down on the exposed card edges, thus allowing thermal transfer to begin on all cards. In accordance with the embodiment of the present invention, an information updated from various contents having the RSS scheme applied thereto at a desired time via an more convenient method, and various systems and methods based on the RSS are supported. The check valve stop insert that is accessible via the opening formed in the sidewall is either coupled to the check valve stop housing or mechanically deformed to prevent removal of the check valve stop insert from within the check valve stop housing. The conductor is disposed in accordance with the location of the gap.