I have a Jacuzzi low flow toliet. Sometimes the water won't shut off after it is flushed

Do you really think 'toilet' is spelled 'toliet'? You wrote this 4 times.

Replace the water inlet valve. It sounds like it is sticking and you also have very low water pressure. Call in a plumber and get the water pressure test with a gauge.

Depends on the make and model of the fill valve in the tank. There is a hose that goes into a pipe that is in the center of the tank. That pipe is the over flow protection but it also fills the bowl.

I think you have covered it all. Just last flush !

That faucet has a flow meter and if you want more flow you will need to adjust for more.

Hi, W/D here.
Check the water level in the tank. The force to flush waste comes from there. Normally the fill line is cast into the back of the tank, but sometimes it is on the overflow tube. Raise the level if it is low.
Also, make sure that the tubing from the fill valve is connected to the over flow tube (the tall tube).
Best regards, --W/D--

Adjust the float height to allow mor water into the tank before it shuts the valve

first shorten the chain from flush lever to the flapper valve by one or two links at a time until flushing properly

second the flapper valve might need a wipedown as well as its seal (top edge of tube where water goes down into bowl) the leaking is because the flapper valve is not seating properly.. you may need to replace the flapper itself.. easy to do, and a common part at hardware store.

Have you tried shutting water off and take top of valve appart and flush it out. It may have something in valve causing water to be restricted. It will have an arrow on it to direction to get it to come off.

Take appart and clean rubber disc and you can put something over top of valve , a small cup or something to enable you to flush the tank. Have someone help you and hold the cup above the valve so that when you turn water on for a few bursts to flush out the valve it goes into tank.

The actual stream that flows through valve is restricted down to almost 1/8 " opening so it wouldn't take mush to block the flow of water.

The disc you take out you can replace it, if it seems to be damaged and not working correctly. That will affect the flow also.

Probably still blocked down there. Keep flushing occasionally, and plunging, hopefully it will let loose and flow like it should.

Soap or other buildup in the gooseneck of the drain portion. Try raising the water lvl in the back of the tank and add a float to the chain attached to the flap.