When i bought my s4 it always lasted pretty long on gas. Then a couple weeks ago i would pump gas it would say 80 miles left till empty but then when i pull out of the gas station and go down the street it will just decrease fast from 80 to 65 to 50 - to 45 and keeps going down really fast and by the time im home im on ******* empty idk what the problem is help PLEASE!!!!!

 

I am experiencing the same mile left indicator. sometimes it wasn't accurate.
I filled it up with 94, and happy with it indicated it could run for 640kms (=400miles), but as long as you drive it, it decreased much faster than actually you drive it for. eventually, I ran 440kms (=275miles) until light on. so rougly it has 200kms (125miles) gap inacurate with actual gas millage.

PS: I drive it very slowly (shift at 2000rmp) whichis for last tank.The currenttank I am trying a little bit harder and see wht's going on. Now it has reached to slightly more than half tank left with achieved 200kms. I hope i could run the same millage as before.

how many miles can you guys run it with full gas fill up?

 

i Have the same problem but it only happens when i press that pedal on the far right to the floor. I dont know whats wrong.