Toilet takes 4 minutes for tank to fill after flushing

The fill valve may be clogged with dirt or scale. After turning the water supply valve off remove the top of the valve by grasping the black cap section with one hand and the shaft section below with the other. Turn 1/4 turn and the top should come off. Check for any dirt or scale on the top section. Take a paper or plastic cup and turn it up side down holding firmly over shaft section, turn water on to toilet ,water is going to come out under pressure so be prepared to hold cup firmly to catch water and divert it down into tank. This will allow any dirt or scale in the line to be flushed out. Turn water back off reassemble cap section and turn water back on.try flushing toilet to see if problem has been solved.
Hope this helps.
Bob

Perhaps the shut off valve is not fully open, or constricted. Try opening and closing the shut off valve to loosen any sediment. Otherwise, replace shut off valve.

Leave the fill line in position that works otherwise the siphoning will continue in the other position.

My sister has a two year old Jacuzzi toilet that worked fine until a few months ago. Then it started to take 10 minutes to shut off after each flush. I lifted the tank cover and immediately saw the problem; at least 90% of the refill water was going into the refill pipe instead of the tank. Upon examination I discovered that the plastic part that holds the flexible refill tube to the vertical refill pipe was broken. This part not only holds the refill tube in place, it also has a small orifice at the end to restrict the flow into the pipe. The part was broken in such a way as to let nearly all the water go into the refill pipe instead of the tank, hence it would run for 10 minutes after the toilet bowl was full and waste all that water. I found a small coarse thread stainless steel screw that fit into the plastic attachment piece to help plug the orifice and cut down the amount of water going to the refill pipe. Now the toilet flushes and refills in less than 2 minutes. I'm in the process of trying to find a replacement for that part but so far no luck.

Several ideas. Start to fill? Have you looked inside the tank to see what's going on? If it just filling very slowly, then you most likely have some calcuim build up inside your flush valve blocking some flow, if this is the case you will have to clean the flush valve. If your flush valve is staying up and the toilet is "running" unitil the float drops. The float (either the arm ballcock style, or newer fluidmaster) is rubbing on either the flush lever or side of the tank, and taking longer to drop to let the water start flowing. I

More then likely the power valve in your flush master ball valve is out.. Replace flush valve and should fix problem. Home depot sell fluid master for like 7.50

This toilet is a Water Sense toilet and it only uses 1.28 gallons per flush and no more. The tank is never going to completely drain with this low flush toilet. It is designed that way. Make sure the tank is filling to the fill mark inside the tank. If not adjust the fill valve until it does. Federal law says that a toilet can use no more than 1.6 gallons per flush. If you can take this toilet back and get a refund I suggest you do so and buy a Toto toilet. They are the best flushing toilet on the market. Watch it in action. http://www.youtube.com/watch?v=CmuzFve6O4k&feature=related

Check the fill line in the tank and make sure it is connected from fill valve to overflow tube. After you flush the toilet it fill's the bowl and tank.

It should be a line about 1/4 ' in size coming from fill valve to overflow tube.

I have the same problem and can not find a solution. The toilet flushes fine but then a delay in filling up the tank occurs. Is there a part I can replace? Does something need to be cleaned or cleared?