When to change a inline fuel filter?

How often should you change it. I know it i very simple i have done it before. WIll a FRAM filter be ok. 1990 chevrolet truckWhen to change a inline fuel filter?change about every 20,000 miles and yes fram will work fine.When to change a inline fuel filter?depends on how crappy your fuel is, if your running short of power its a good thing to check out, or pull the line off after the filter and see how fast it comes out it slow maybe be plugged if not its fineWhen to change a inline fuel filter?FRAM filters will do... I generally change it every 50,000 miles or so or every 3 years...When to change a inline fuel filter?I change mine before winter, just proventive cheap maintenance.