Patent ID: 8655542

Claim:
A fuel filter diagnostic system for a vehicle that has a filter cartridge, which includes a filter adapted to filter foreign objects contained in fuel used in an internal combustion engine of the vehicle, the fuel filter diagnostic system comprising: an electronic tag that is attached to the filter cartridge and includes: a storage device that stores individual product information of the filter; and a wireless transmitter device that wirelessly transmits the individual product information; a wireless receiver device that is installed to a predetermined location of the vehicle, which is other than the filter cartridge and receives the individual product information transmitted from the electronic tag; and a diagnostic device that diagnoses whether the individual product information is received by the wireless receiver device or whether the filter cartridge installed in the vehicle has a desired filtering performance based on contents of the individual product information received by the wireless receiver device, wherein: when the diagnostic device diagnoses that the filter cartridge does not have the desired filtering performance, the diagnostic device limits an output of the internal combustion engine below a predetermined value.