I would like to change fuel filter in spectra 2005.where is it located? on 2005 Kia Spectra

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Is this a big job or can it be a DIY job. The car seems to almost stall at times then starts to run well again in a moment.Plugs have been changed and fuel cleaner added to gas
(1) Answer
Fuel filter is part of the fuel pump assembly that is located in the fuel tank that is accessible by removing the rear lower seat cushion. That is an expensive guess. I suggest having it diagnosed by a good shop. Interments are hard to find with out the proper equipment.