What is occurred when excessive fuel consumption?

As a result of excessive fuel consumption may be occurred

1.      High float level or heavy or fuel soak.

2.      Dirty riddle valve.

3.      Worm jets of nozzle.

4.      Stuck metering rod/power piston

5.      Rich mixture/ high fast idle.

6.      Leaky carburetor.

7.      High fuel pump pressure.

8.      Leaky power valve diaphragm.

9.      Lack of engine power acceleration.