There are a few suspects that might be behind your propane tank's stubbornness. One of them is the valve - it might be stuck or clogged with debris. Another culprit could be the regulator - it's like the tank's brain, and if it's not working right, the whole system goes haywire.
Now, you might be thinking, "What about the hose?" Well, let me tell you, a kinked or blocked hose can cause all sorts of problems. It's like trying to breathe through a straw - not gonna happen! So, make sure to check the hose for any obstructions.