Where is the fuel filter in a 2009 nissan altima? - Fixya SOURCE: where is the fuel filter on a 2008 nissan altima. It should be somewhere inline with your fuel lines that come from the gas tank. Find the tubes that come out of the tank underneath the car, and follow them along the body all the way to the engine. Somewhere inline there should be a filter. You might need a special tool to get it off 2009 Nissan Altima Fuel System Parts - CARiD Nissan Altima 2009, Fuel Injection Plenum Gasket by Victor Reinz®. When you’re low on oil, coolant or some other fluid, you may be tempted to just run down to the local auto parts chain store. But before you waste your time and gas..