Where is the fuel filter on a 2004 Mazda 3?

On a 2004 Mazda 3, the fuel filter is typically located within the fuel tank, as part of the fuel pump assembly. This design means that accessing the fuel filter usually requires removing the fuel tank or the rear seat to reach the pump. It's important to consult the vehicle's service manual for specific instructions and safety precautions when attempting to service the fuel system.