C0607D1 Detials:   How often should fuel filter be changed? The fuel filter keeps debris from making their way to the engine and collects them all in one place.Generally,it's a good idea to replace your fuel filter every two years or 30,000 miles.   How do I know if my fuel filter needs changing? Here are five of the bad fuel filter symptoms to watch for: 1.You have a hard time starting car. If the problem is the fuel filter,and it isn't changed soon,you may find that your vehicle won't start at all. 2.Misfire or rough idle. ... 3.Vehicle stalling. ... 4.Fuel system component failure. ... 5.Loud noises from the fuel pump.