When the toilet is not working correctly, for sure, there is a problem. Toilet has different parts. But the main is the tank: consists of a flush valve and fill valve. The flush valve lets water gush into the bowl every flushing while the fill valve refills the tank after the flush. Intermittent functioning of the toilet without a halt is a sign that one part is faulty or might be the whole part in general. Every individual has different procedures on how to fix the toilet, depends on the causes. DIY's might be helpful if you can manage to follow the steps accurately. Since we know that this is a plumbing job, it is best to call an expert for more reliable fixes and for the most dependable solution like the plumber in Phoenix, AZ . 1. Clogs Flushing of foreign objects in the drain can cause clog causing water to back up. Aside from human waste, paper products such as toilet paper and wipes can build up in pipes. Having kids is another concern because they might flush down acci...