I have around a quarter tank of gas in my 4.3 as I'm driving the gas will drop from a quarter to e and the light will come on I have to stop turn it off turn it back on then it'll jump up to a quarter tank again well I just done this again and it jumped up from 1/4 to 1/2 a tank back to E I just replaced the fuel filter I had a new fuel pump installed in September can anyone help me give me some ideas on what could be going on