Help I think could be problem feel diff
 

Was changed fuel filter last week.
Feel like power diff reduced smoothly I don't feel torque change setting not strong or just smoothly run?? ..

Red fuel light on then off then on and again could bad fuel pump or what? Did drained checked.

I'm deaf

Your Fuel light is coming on? Do you hear your lift pump powering on when you turn the key to the ON position?