Volvo 544 PV » Fuel Filters

Fuel filters should be changed every two years, especially on older cars which are prone to rust and scale in the fuel tank. Replace the filter to help keep contaminants away from carburetor jets and delicate fuel injectors. While you're there, inspect the fittings that secure the filter and the fuel line for signs of age or wear - and always use caution when working with fuel system components.