Water comes out of sprayer and faucet at the same time?

When using faucet sprayer it used to shut water off from faucet. Now, it continues to run through faucet while coming out the sprayer. What can I do to resolve this problem. Thanks in advance for any help.

Last year, the faucet worked fine but the sink sprayer didn't. I got a new dishwasher and after the plumber did the install, both the faucet and sprayer worked. However, the sprayer developed a small hole and shot water out at you when you turned on the faucet. I got a new sprayer and installed it,...

I have a old kitchen kitchen faucet with attached sprayer. I want to install a Culligan undersink filter which comes with a water faucet that REPLACES the sprayer. I have very limited room under the sink to work in. I cannot even get any normal open end wrenches/adjustibles to work with limited...

I have a moen model INSO82D faucet and the sprayer and faucet run at the same time so they sent me a new diverter which I used after making sure there was no trash in the faucet where the diverter goes. The sprayer has more pressure now but the faucet puts out as much water as the sprayer does and...

My kitchen faucet with sprayer water pressure does not work sometimes why?