Leaky faucet? That ol' bowl runnin'? nonstop? Don't panic! First, take a gander what's goin' on. Is it the fill valve that's the problem? Maybe the bowl? Once you isolate the culprit, we can get to solvin' it!
Try https://haseebqnfk371924.blogsvila.com/31510997/troubleshootin-your-toilet-troubles