My toilet is running all the time so I checked the flapper and the chains handle and noticed that the water is not being pulled into the tank as fast it is filling but a very slow rate when I fill the tank with a cup it will stay filled and the water shuts off when I flush it flushes fine and starts to fill slowly

Thanks for your time

Turn off water to the toilet. Open the ball-cock assembly, and cover the opening (where the water is to come out) with a plastic cup--hold the cup FIRMLY. Open the water line for a few seconds to flush out the line. Shut it off again, re-assemble the ball-cock assy', then turn your line back on. How does it fill now?

XenoSapien

It is still filling really slow

Ok. If the waterline is plastic, turn off the water line. Get a bucket and aim the line into the bucket and turn the line on slowly. Do you have good pressure?

If it's a metal line, you may have to do something a little different, like take a short garden hose and slide it over the end of the line--CAREFUL not to let the line bend at all, and aim the hose into the toilet. Do you have good pressure?

XenoSapien